I've got a Zoom drum machine which has loads of good presets, and records well. I hate doing the drum bits, and often just play a preset throughout the song and play the pads to add accents, not always successfully I may add!
the first thing I recorded on a computer
has the RP350 as well as samples. This was before I got my Toneport KB37 which has more amp sounds than you can shake the proverbial stick at..
Ian