Someone's asked me to record their Milkdrop presets (running in WinAmp), and all of my usual capture tools have let me down so far. I'm trying to get nice smooth HD recordings, but I've stumbled into two major problems in VirtualDub:

1) It works until I put the visualisation into full screen mode, whereupon it only captures a black screen.

2) The framerate is pitifully low.

If you have experience capturing from Milkdrop, what do you use? (Obviously freeware is preferred, but whatever.)