I found this Back to My Mac router compatibility list on Apple's website. I can't say it's a definitive list, but apparently it's a list that Apple promotes compatibility for. This isn't to say that your router won't work if it's not on the list, but don't be surprised if you need some extra config if it's not.

The main key in getting it to work is having a router that supports both NAT-PMP and UPnP, such as the Airport. READ MORE »