Styles Database is open.
Right now it contains only phpBB 2.0 styles, but this is only temporary and later styles for other software will be added. There aren't many styles in database yet, but new styles will be added every day (except for junk or copylefted styles) and it will grow into largest styles database.
If you will notice any problems please contact me.
Design is optimized for modern browsers, but also supports IE 6.0 and IE 5.5.