How many times a year do you upgrade your rig?

[mr9865]

I use to upgrade alot... until i quit my job. Now i think ill be using it as is for a very long time

e6600 @ 3ghz
2gb memory
320gb hd
ati 4850
vista hp 64
dell 19" ws
evga 680i sli mobo
antec case

$500