Doubt anyone's watching, so...
3. The profile sidebar has a top margin of 10px, so it ends up ten pixels out of line with the avatar. There's not really an inconsistency here, though. Might be intended, actually. Dunno.
4. Navigational breadcrumbs have a few oddities. In the forums, they're all styled the same (Forums » Bugs & Problems » Read Message). Elsewhere (especially My Stuff), they generally follow a different theme (My Stuff > Storygames) with a smaller font, except for the Messages page, which follows the Forums theme, and the Notepad and Commendation pages, which don't have breadcrumbs at all.