I have a Sonica-X - totally quiet system, rackmountable and extremely powerful. It kicks ass and I'm running Cubase.
http://sonica-x.com/
Get some of the East/West VSTs - expensive but there is nothing like 'em.
http://www.soundsonline.com/
Mac and Protools were the shit...
10 years ago.
God, I hate Macs.
