Icecrown Match Making

Wondering if anyone has tested this. Icecrown is getting matched in battlegrounds right? There's a check on their gear probably to make sure they don't have equipment not yet available on Onyxia.

So in theory could we not just make a full BIS toon on Icecrown using the easy to obtain gear on vendors and also the vote point shop that lists gear for next to nothing?

I was wondering though if you would still get paired with other Icecrown battlegrounds though and be up against Furious gladiator players etc.