I plan on 125kts and 32 litres / hour. It's possible to coax 130kts out of one of the 160hp DR400's I fly. That one, however, has a differently profiled cowling to its slower brethren. I'm not a DR400 expert, but something was changed in the mid 1990s, and the newer ones go faster.
As for the brakes, they've had toe brakes for years. The early ones had a handbrake, which was carried over from the DR300. In the DR300, it works well enough once you get used to it, and differential braking is available at full rudder deflection, so you can manouver in tight spaces without any trouble.