Tanking pet health in ICC

When we get our crit-immune pets back, pet health in ICC will be no problem. My guild did a ICC 25 last night, had to stop before doing LK due to a healer having to take care of their baby. Before I hearthed out, I put on my old tank gear, put on all my self-buffs (drums, scroll, food for me and my pet) to see what my pet's and my health would be after patch 4.0.1.

Here is what I got:

ICC health in tank gear/spec

I'm working on editing a video showing off the new mend pet and took advantage of the ICC buff for it. That extra health plus the healing bonus makes our pets excellent tanks and us excellent tank healers.

Forgot to mention in my first post, with the health my bear had, mend pet was doing a little over 12k per tick. Very impressive, compared to the incredibly paltry mend pet we had prior to the patch.

I'd do a vid or two of my own, but my ancient-as-dust comp won't run WoW and fraps very well at the same time.

With any luck, once we get our crit-immune pets back, I'll get my chance to tank Marrowgar, Rotface, and Sindragosa, that has been my ultimate goal of things to do before Cataclysm.

So now, with the new changes to 'Resilience scales to pet', obviously people are going to be moving on toward PVP gear to get their pet crit-immune. The question I've got here, though: what suit should we be considering?

See, the way I see it, you can haphazardly g