SRAM had a bike in the Interbike booth set up with their Double Tap 10 Flat Bar Road shifting system. And I found this somewhat exciting, since I want to be able to build whatever a customer wants and not be limited by drivetrain and shifting compatibility issues. Michael of SRAM explained to me that the Flat Bar Road shifters work with Force or Rival 10-speed road existing drivertrains and brake calipers (front and rear derailleurs and road brakes of both groupsets). You don't need to get any flat bar components to use them.
The Flat Bar SRAM brake levers are adjustable. The trigger shifters have a carbon clamp for weight reduction, and there are no fancy directions for using them. Push with your thumb , and release with your index finger. This is a really nice option for people who want performance but have wrecked their backs and can't get comfortably aero or those who need more of a hybrid performance machine for their riding needs and local terrain. (The Avid Black Ops Research printed on the lever makes me feel like I'm in an Alias episode.)
Campagnolo has a Flat Bar Ergo Power option. I can google it, and I've seen the magazine ad of the guy riding by the bus looking all happy, but you need to have a Campy Flat Bar specific front derailleur to use the Campy Flat Bar Ergo Power shifters. (I couldn't find the Flat Bar Ergo Power components on their site or with the Campagnolo site search, but it looks like the site search is hosed.) If Campy is discountinuing their flat bar stuff, someone put up a post. Shimano has a flat bar set up with 8- and 9-speed flat bar options, but nothing slick or 10 speed. Think bike path and sneakers.
