Haha don't worry, bots will come sooner or later. I loved working on GrogBot, and with all the AI coding experience I've gained since, it's successor will be at least 10 times better
Each major release will add one new class for each team: Pirate Captain, Huscarl (former Axe Viking) and Knights' Archer are next in line. It's hard to give any estimates for the next release yet, but we're working hard to get the rest of the classes in as soon as possible.