Would need to see what you are running right now. As for me i went the strong tank way with mine grabbing tough and weave. As far as IOs it will really depend on how you want to focus your tank. +regen, +recharge, +def, ect
Virtue
--Blazing Tiger-- 50 Invulrn/Fire Tank
<<Virtues Tankiest Kitty>>
Try my Arcs: #4892 and #112548
@Blazing Tiger and @Aqua Fox
For WP, +hp and regen are the way to go if you want to be tougher. Try to get about 21% +hp and as much regen as you can find.
To tell you the truth, I don't really have a proper build set up on Mids to provide everyone to see. What I have is what I said:
Pretty much all the Attack powers and defense powers. Didn't get the Fitness Pool until level 49 for Sprint. Super Jump as a travel power.
All I would like is a general idea as to what everyone else has as a set up for their WP Tanks.
On WP/WM, I'd skip one of Pulverize or Jawbreaker, whichever you prefer, and I skipped Resurgence. If you're a team, aggro controlling tank, you need Taunt, but Build Up is optional...I fit it in very late.
Leaving out Resurgence and Pulverize/Jawbreaker, you basically have room for 2 of these 3: Fitness, Fighting, Epic pool. If you take Fighting, you'll want Fitness, or the Energy pool in order to have the end to power Tough and Weave.
All of the attacks + all the defences is a pretty good way to go. You could cut out a few things to make room for tough and maybe weave, but in my experience WP is nigh unkillable with the primary alone. I also have the self rez, though it goes largely unused.
Your basic build sounds fine, which is why I originally gave IO bonus advice 
I strongly recommend that you not skip Fitness, or even postpone it all that much. I always plan on my Willpower characters having Fitness, and on most of them plan on getting Stamina at 20 or 22.
This works because the two purely defensive toggles - Mind over Body and Heightened Senses - are more burden than benefit before SO levels anyways. You're already going to be running two toggles anyways. Passive powers that help you get there first (Swift or Hurdle) and that play to your regeneration strength (Health) are far more important than two more draining toggles that do little more than their base values to improve your survivability.
Since you know you should have Health, and you have to take Swift or Hurdle to get it, it makes sense to plan on picking up Stamina sometime, even if you are more patient with the broken endurance mechanic than I am. Take the two toggles after 22, and aim for Stamina at 20 like any other character would. I have levelled up five tankers, two brutes and a scrapper under these assumptions. I was not squishier in the late teens and I had more fun than I would have trying to run four toggles.
Yes, the Fitness pool is boring. But the endurance mechanic is more boring. Once you win free of it you will enjoy your character much more.
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"At what point do we say, 'You're mucking with our myths'?" - Harlan Ellison
Hey guys. I have a very dusty Willpower/War Mace that I want to dust off and IO out. I'm trying to go through Mids and I just can't think of anything I want to do, so I come to you guys in hopes for a decent idea in what I want to do.
My old build doesn't have the Fitness Pool until level 49 when I grabbed Swift. I don't know how many will react to that, but I didn't really have any problems with endurance with Quick Recovery, well until I started out leveling my enhancements.
So any ideas would be great. And if Fitness is to be worked in, that's fine by me!