Thanks! The second comparison link is mine, which focuses a bit more on memory, as opposed to performance. And that's where Linode and their 32 bit systems win over Slicehost and their 64 bit systems. The latter chews up a lot more memory for something like Rails, so even if Slicehost only looks slighty more expensive, they end up being significantly more expensive. Which is unfortunate, because they seem like good people doing good work, and who treat their customers pretty well. However, Linode are that way too, and are also cheaper, so it's just not that difficult a choice at this point in time.