I wouldn't hold your breath for that Dave.

Cataclysm is supposed to bring the "LFG" system for 10 man raids. And with the way they are redoing raid lockouts (so you can join another lockout ID as long as the number of boss kills match) - I think you're going to see a new era of pugging.

Why wait for raid night when you can just LFG into a PuG? Oh, killed one boss but had to leave? No worries, just LFG into another raid that matches your progression point. Oh, that one fails too? Call it a night and LFG tomorrow.

Seriously, if they do what they claimed they are going to do.