Would adding another HD to my system and placing the swap file on it actually improve system performance? (in other words, use the slave drive for the swap/pagefile)

Also, I'm having problems with SP1 update. After installation on one of my machines (the others are operating fine), IE6 is crawling!!! I mean CRAWLING!!!! Yet, when I install all the critical updates prior to SP1 fix, the machine runs fine. Someone, in their infinite wisdom, said this is associated with an illegal serial number. Is there any validity to that statement? Otherwise, i'm going to uninstall (using GOBACK) and continue as before. I'm using a router as well as firewall in the form of software, so what, if any, risk would I be taking by not installing SP1?

Any help would be appreciated.

Thanks,

FBM