Ah, a Sun monitor, cool!  Paintwork looks good too.  One more thing...a processor upgrade would do wonders, more so than even ram as you have a pretty good amount (never enough really, until you max it :)).  You can probably find some processors used on ebay for a decent price.  What out for the price gougers, if you wait and look hard enough you will find a great deal.

By the way, Im on my wife's QS Powermac and I see your pics!  She also has the lowly GF2 which will be changed very soon.