Resolume's BPM "+" and "-" buttons are fine, but they change the BPM value by 1 (which is too much, in my case).
2 Requests:
1) "Ctrl" + BPM "+" or "-" should change the BPM value by 0.1
2) a tempo nudge function like in Ableton Live would be great!!
like:

(Source : digitalmedianet.com) - http://images.digitalmedianet.com/2008/ ... /nudge.png