I agree with Lifehacker on this. The Microsoft’s Security Essentials is great. Even running in a VM, I have seen practically no performance hit from running it.
It's pronounced "LIN-ucks".
This is a blog by technophile and geek. If it's tech on the web, I'm probably reading it. Topics will usually include cars, Windows, Linux, OS X, the iPhone and Networking.
Ocassionally you may even find some tech bargains posted when I find a super-hot deal that just has to be shared with the world.