It works fine when properly slotted. I've teamed a lot with a friend who had a L42 Ice/Rad and he never had big end issues. But you might have to put one EndRed on a few primary powers if you want to keep locking things up.
I'm biased, but I think Earth/Rad is quite better when it comes to crowd control. It makes things just too easy 
(It's a damn slow soloer tho.. but then again, so is Ice.)
@False Fiction - Virtue / Defiant
Current projects - [Glaciologist - Ill/Cold Troller] [Cloudshaper - Storm/Dark Def] [Harald Wartooth - Elec/Psi Domi]
Dont pick CC, question solved 
Running both isn't really viable when AM isn't up, even when it is if you're using any other toggles and attacking, it's still a struggle. I opted for just Arctic Air in the end on mine, it's a great power, although the aggro radius on it is huge. 
Re: "highly effective team lock down"
It is extremely good, the slows are very useful, but a large part of your aggro management can and will be totally screwed up by just one Kheldian (or to a lesser degree Energy Blaster) getting in the middle of your Ice Slick. Earh/Rad would be much more effective in my opinion.
Honestly the only reason I would go for Ice instead of Earth would be Glacier. Just because I love the sound and gfx.
Earth got area slow (quicksand), area knockdown (earthquake), huge cone disorient (stalagmites) and probably the best aoe hold available on a troller primary set (even if its a "pulse hold", all you need to do is keep things immobed or knockin down in that area). Moreover, and as far as I am concerned, it got an accuracy bonus.
All this features combined with /Rad goodness, makes you feel like your playing G0D over bugs.
@False Fiction - Virtue / Defiant
Current projects - [Glaciologist - Ill/Cold Troller] [Cloudshaper - Storm/Dark Def] [Harald Wartooth - Elec/Psi Domi]
[ QUOTE ]
All this features combined with /Rad goodness, makes you feel like your playing G0D over bugs.
[/ QUOTE ]
Except for the fact that you won't actually be able to kill anything without a team. :P
That applies for ice too tho
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That applies for ice too tho
[/ QUOTE ]
And what about Jack's pwntastic Ice Bolt??? Oh... nevermind 
CoX 50s: <ill/rad> <ice/ice> <fire/kin> <grav/sonic> <ice/storm> <earth/kin> <kin/elec> <cold/psy> <thugs/dark> <fire/dark> <dark/elec> <night widow> <EM/ninj> <mind/icy>
[ QUOTE ]
[ QUOTE ]
All this features combined with /Rad goodness, makes you feel like your playing G0D over bugs.
[/ QUOTE ]
Except for the fact that you won't actually be able to kill anything without a team. :P
[/ QUOTE ]
[ QUOTE ]
highly effective team lock down fella
[/ QUOTE ]
I'm assuming he wants a team friendly troller 
@False Fiction - Virtue / Defiant
Current projects - [Glaciologist - Ill/Cold Troller] [Cloudshaper - Storm/Dark Def] [Harald Wartooth - Elec/Psi Domi]
[ QUOTE ]
[ QUOTE ]
[ QUOTE ]
All this features combined with /Rad goodness, makes you feel like your playing G0D over bugs.
[/ QUOTE ]
Except for the fact that you won't actually be able to kill anything without a team. :P
[/ QUOTE ]
[ QUOTE ]
highly effective team lock down fella
[/ QUOTE ]
I'm assuming he wants a team friendly troller
[/ QUOTE ]
Except God could actually squash those bugs .
CoX 50s: <ill/rad> <ice/ice> <fire/kin> <grav/sonic> <ice/storm> <earth/kin> <kin/elec> <cold/psy> <thugs/dark> <fire/dark> <dark/elec> <night widow> <EM/ninj> <mind/icy>
[ QUOTE ]
Except God could actually squash those bugs .
[/ QUOTE ]
But then again, He couldn't. God is said to love everyone. Plus, bugs aren't evil. Are they?
@False Fiction - Virtue / Defiant
Current projects - [Glaciologist - Ill/Cold Troller] [Cloudshaper - Storm/Dark Def] [Harald Wartooth - Elec/Psi Domi]
[ QUOTE ]
[ QUOTE ]
Except God could actually squash those bugs .
[/ QUOTE ]
But then again, He couldn't. God is said to love everyone. Plus, bugs aren't evil. Are they?
[/ QUOTE ]
Good point. Although I heard God also loves dead bugs. And I'm sure some of them are rather evil .
In any case, earth/rad is indeed the uber-lockdown troller and very nasty in base raids.
CoX 50s: <ill/rad> <ice/ice> <fire/kin> <grav/sonic> <ice/storm> <earth/kin> <kin/elec> <cold/psy> <thugs/dark> <fire/dark> <dark/elec> <night widow> <EM/ninj> <mind/icy>
Base raids wise i love bubblers, try and get in without a load of kins and you'll see
If you want lockdown, go for Earth.
Most of the time as an Ice Controller, you'll only be using Block of Ice, Arctic Air, and Ice Slick - Glacier when the situation requires it. These are your main methods of control.
On the contrary all of Earth's powers are useful. The only situational power would be Salt Crystals (yet if I could fit in a Sleep in one of my builds I would). All the powers complement each other wonderfully, making even the Immob's desirable.
@Under Control
Just a quickie folks:
Thinking of an Ice/Rad troller... looks like a highly effective team lock down fella, but when i look at statistics it seems impossible to run Arctic Air and Choking CLoud simultaneously without net end loss, even with Stamina x3 SO and End reducers x3 SO in both of these powers?
Any enlightenment?