Well we wont be the only ones here for long, this place will be off and flying very
The header would work better if it was of a lot of doctor who figures, being a toy forum and all. You could have a line up of all the figures (photoshopped together) in front of a picture of the Tardis on an alien planet.
That's just my idea of course, we will all have different ones!
I think the way you have thought of setting out the forum is also very good. It's a great place to start from.