One thing: kerning. The 'A' in the wordmark is in no-man's land! T and G are friendly letters, and I'm sure they'd be more than happy to snuggle up on that A.
I'm a dev, but once the appreciation for kerning has been learned it's hard to unlearn it. Bad-kerning can be as grating as a mis-placed apostrophe.
One thing: kerning. The 'A' in the wordmark is in no-man's land! T and G are friendly letters, and I'm sure they'd be more than happy to snuggle up on that A.