HSLD,
Switch, that's a no-brainer. A Mac is like a Boeing, a Windows machine is like an MD-11 or L-1011 (breaks all the time).
Then, whatever software you use that's Windows-only, put it on your Mac (via VMWare Fusion). Done!
I have a $3,000 Dell Precision Workstation that now sits idle thanks to my ditching the virus-plagued OS called Windoze...