And here's me struggling with my 2007 Intel Celeron M 1.6 GHz laptop. I maxed out the RAM last year to 2GB from 1GB! This is the machine I use every day! It does the job, just. The internet gets heavier each year though so it'll soon be time for an adblocker! Youtube videos seem to get harder to decode as well.
I bet an X5000 would seem heavenly fast compared to what I'm used to!