Hey,
I have just developed another theme ( really nice one, called Street Style!). My server is currently down due to some modifications we are making, so please download it from here:
(download)

feedback appreciated :)

cheers,
Wojtek

hey, nice theme.

The RegisterLogin div is overlapping the title in the forum module. Also, the "currently online has a left padding of 20px" which makes it look odd.
Make the forum search form all in one line. Right now it's in two lines.
Make the "go to end" link of the topic view in one line. Right now it's in two lines.
The "post count" font size is too big in topic view.
If the sidebar is too long (like when there are too many widgets), the bottom displays a white space.

You also might want to consider adding breadcrumbs.

Updated :)
as for the "go to end", I see it in one line, could you please provide a screenshot?

The sidebar issue still isn't fixed. I downloaded the new file from code.google.com and flushed too.

http://file.io/file/iuiiui.PNG
http://file.io/file/iuiigg.PNG

the currently online odd padding is still there.

I'll check the sidebar, but certainly the currently online padding is fixed - check silverstripe.com/themes...

EDIT: as for the "go to end" it works well on all browsers on the last stable version of silverstripe, as I can see, you have checked it ona a daily build - it may be the reason

Ah yeah, I'll look into submitting into a ticket for the "go to top".