Rezlooks-Royale is a GTK theme which uses colored scrollbar slider and colors from the Royale GTK2 theme.
Rezlooks is a GTK theme engine based on the cairo-enabled CVS Clearlooks engine code.
It basically strips all the stuff from clearlooks that I don't like. The lack of rounded corners is probably the most obvious change, but there are various other smaller changes too. It should also be faster than clearlooks from cvs because in order to make my changes I stripped down the code somewhat.