Strangeparty

Dale Lane has a very informative post/review of Jungle Disk

Jungle disk is an online backup/archive service powered by Amazon S3 storage - Dale includes some calculated pricing from his usage, which is incredibly helpful. I think it might actually work out cheaper than buying the hard drives for my offsite backup server (let alone the cost of replacing dead hardware)

It really does look like a good way to backup all your RAW photos (flickr is not really a backup solution)