Zeldman has a nasty experience with Flickr. He seems to have missed the notifications Flickr sends out before your account expires, but I do agree that hiding all but the most recent 200 photos is a bit silly. It always annoyed me.
Automattic offers WordPress support and customization to enterprise users. Interesting construction. I’ve been involved in setting up a few WordPress blogs in an enterprise context and customization was one of the main issues we came up against.