Woah... on second glance there are way too many sub forums on the gaming section. A busy forum would accomodate that, but not for a startup... plus, you're not offering any services, so it's going to put people off.

Try to think more creatively... just a generic forum isn't going to appeal. What makes your forum special? You need sections like the following: "Clans: Advertise your group here", "Review your favourite games", "Rants & Raves". the "What's this game?" section and so on. Leave plenty of room for people to advertise their own communities and forums too. These are just ideas, but it's up to you to create effectively.

A huge minus: It shows (to me at least) a huge flashy, moving banner congratulating me for winning today's iPhone 4s, right at the center taking lots of space. I know I can remove it via AdBlock, but the fact that it's there isn't very appealing.

You have one registered user. You only need one forum. Don't fall into the trap of making hundreds of forums when you don't have the user base for it. All you will do is spread out a tiny handful of topics over empty boards. That won't help bring in new users, it'll just further drive them away due to the impression of a dead forum it gives.

If you want the main focus to be games, then just have a games forum. If you ever find yourself with a large userbase that it asking for more specific forums, then make them at that point. But doing it right off the bat is a bad idea.

Yeah, I was considering instead of all the different genres, what about just a 'General' one to accomidate all of them? Would that be better?

Sorry about that, I didn't even know it was there - I use adblock as well..

Any idea how I can remove it?

Thanks for the advice.

Actually, that one registered user is actually me. :D I had to setup an Administration user.