Specialized something or other... mini wedge - it works well enough:

http://www.specialized.com/bc/SBCEqP...jsp?spid=25161

Had a topeak.. the clip broke. trashed it although the bag itself was a nice size and held it's shape nicely.

Have a couple Soma bags too (soma noe and soma natoma):

http://www.somafab.com/bags.html