I feel the logo is fine as it is. The only thing I dislike about it is the sudden way that it just cuts off. Brandon, all that you have to do is just round that logo off and add a black bar to the top so the effect is constant - make it look like this:
The CD logo is fine as it is - simple and elegant. I like how 1 'attaches' itself to the orange VBulletin part, but the black/dark-grey outline of the orange 'attachments' doesn't fit and the font is kinda bleh - it's not evenly spaced and it looks kinda crooked. 3 is awesome, except for the fact that the white outline kinda blurs "Chiefdelphi" and makes it hard to read.
My advice, just add some rounded edges to the logo and a black bar across the top of the VBulletin header to make the effect constant