The devil chicken has some good ideas.
Frankly, and Chris could testify to this, I keep so much computer crap around that if I brick one up with malware I can easily switch to something else.
And as OS go, I am looking for a excuse to explore something more exotic.
An eightcore AMD processor under Linux, a Sparc box with an X86 card under Solaris, Open BSD, something, hell anything, but Windows.