I'm a Linn Drum (Gotta love Roger) girl myself but i don't know the adaptability of Roland or any of the others. Unhelpfully yours, Iris
The Roland TD-3. I saw one on ebay for 599 pounds. It has a mesh snare pad so it feels good and is more sensitive than a rubber pad. Roland makes good durable equipment (in my experience).
I don't much about the Roland. I occasionally use a Boss Dr. Rhythm DR-880 and it is awesome. It's a complete rhythm machine that also includes bass lines. It's about $500 brand new. If that's outside your budget, there is also the DR-670 (~$280) and...