Yes, I've been reading all these posts, about CSSU's main feature being portrait mode. In fact, if you look at the Wiki, that's what it says, too:

http://wiki.maemo.org/Community_SSU/Features

Lots and lots and lots of GUI improvements, including rotation and portrait mode improvements. In fact, that's pretty much all that the main page says:

http://wiki.maemo.org/Community_SSU

Beyond the bare assertion that the CSSU is the "continuation of Nokia's SSU", all that the wiki talks about (beyond how to install it) is the new pretty transitions, rotations, and portrait mode.

Honestly, we could do with a bit of instruction here, if the CSSU is actually not what it is being advertised to be...