Rip my Ice/Psy a new one.

I've got an ice/psi perma dom with about 112.5% recharge, and he has around 1000 hours logged, so I feel I know a bit about this pairing.

AoE immobs are indeed questionable on a dominator, especially Frostbite as it conflicts with Ice Slick. However, on my domi, I eventually picked up Frostbite as an extra source of AoE, the purple hold proc also helps keep stuff close to me and also in my Arctic Air. It's also nice for dropping flyers. It is a very situational power though and not one to use with Iceslick, unless you are sure you dont have aggro.

Don't skip Psi Lance, it may not seem like a overly usefull power, but Snipes are usefull sometimes, and it's nice to have them when you need them. Psi lance is also 175 feet compared to the normal 150, so it's also one of the best snipes.

Glacier is great, but only if you plan on being in melee (which with this set pair, you should be unless you can't survive, ie vs Statesman) I love glacier, and wouldn't get rid of it, ever.

Psi Scream I specced out of when I hit 38, and have never missed it. If you plan like this pairing is made for, in melee, then it gets very annoying jumping in and out of the mob all the time, when your arctic air, PSW, Mind Probe, Drain Psyche and Glacier are all best used in melee range.

5 doc wounds and an end mod IO I found to be the best slotting for Drain Psyche (when I had it slotted with DW anyway) the End mod IO means you get maximum end recovery off 5 mobs, and a pretty good recovery rate off just 1.

On a /psi domi, if you go with the mu patron pool, it is actually very easy to go without stamina entirely if you have enough recharge. If you are aiming for permadom levels of recharge, then you should have more than enough. Mu has some great toys for domies, powersink is great, ball lightning adds to your aoe, surge of power is a god mode, and Mu Guardian is one of the best pets in the game.

On my domi, I have no stamina and no powersink, but I do have pretty much perma Drain Psyche, and I also run manoovers, tactics, AA, Stealth, CJ and SS all the time. If you manage your end properly it rarely gives you problems.

I see no problems with 6 slotting Obliteration, but only if you have some spare slots. Adding Defence to a domi is great to do, but if your initial goal is to reach perma dom, then use the slots for that first of all.

When I get more time, I will look at a cheapish perma build for you to at least give you some ideas of what you can achieve.

For now I would say, create a build without Stamina. Create a build with as many lotg +rch as you can reasonably fit in, as these are seperate from the 7.5% you get from things like Sting of the Manticore. Look at getting the Mu patron pool. Don't 6 slot things for the sake of it, use what you need for the recharge, and then see what slots you have left at the end of it. Also, if you are going to bother slotting Psi dart, either 5 slot it with Decimation, or dont put any extra slots in it at all. Also, look on the market for what purples are relatively cheap, things like confuse, sleep, immob used to be cheap, but i'm not sure any more. The sleep power, while pretty much useless, if you can get a cheap 10% out of it, may well be worth it, at least till you can replace it with better.