Damn well better.

I believe we've discussed the second person plural here before: here's more on the subject; Anu linked to it in his weekly newsletter:

'You-guys': It riles Miss Manners and other purists, but for most it adds color to language landscape

Tuesday, June 01, 2004

By Delia M. Rios
Newhouse News Service

You guys may not like it, but we're at a cultural watershed.

If you cringed at "you guys," brace yourselves.

What you're hearing is the vibrant evolution of the American language. Yes, "you guys" is on its way to being proper speech.

...

http://seattletimes.nwsource.com/html/living/2001942543_youguys01.html