Any AntiVirus Live CD's?

[Comp01]

I was wondering if anyone has heard of a live AntiVirus CD (Boot from the CD to scan?) I've heard about them a while back but now cannot find any information, I've been looking to find one but cannot, are there any around that are decent? If so do they scan NTFS partitions? I know they should be fairly easy to do, all it needs to be is a Linux Live CD with an AntiVirus package + NTFS driver?

[gigaman]

I guess there are other ones as well, but you may check e.g. avast! BART CD (http://www.avast.com/eng/avast_bart_cd.html) (it's not built on Linux though, but rather MS Windows PE).