Lol the sniperfrog program is the most ridiculous thing i have ever heard. And notice how the guy didn't have any supporting facts like all these conspiracy threads usually do. He just stated he's a programmer and he found a spfg.exe and he made some tests. lol
Having the map pack or not doesn't really change much.
I have friends that don't have the DLC (in this game and previous CODs) and my experience has been pretty much the same playing in non-DLC playlists with them... --- "Pretty Women Make Us Buy Beer. Ugly Women Make Us DRINK BEER!" - Al Bundy (12/14/2010 = All time Worst Patch in the History of Gaming!)