First off, Windows 7 and Vista performance ratings don't mean bull. In a way, they can be helpful, but I don't like to use them.
But you know what? Pentium 4? Get with the program, bud. Not to sound rude or anything, but an outdated computer will have a very hard time running new stuff.
I know you're probably just venting or ranting, but gahhhh, most people (even non-tech savvy) know that a P4.. Well.. Shouldn't even be around anymore.