There is another interesting alternative to Gigasampler, especially for lower power computers: A Sounblaster Live audio card. It comes with a good sounding 8 Meg GM Soundfont library (mostly from Emu Proteus modules). Even better, you can order the killer 24 Meg GM set from
www.sonicimplants.com for $69. (I have both the sonic implants and the Conexant GM500 on order and have Jammer Live already.)
A very simple enhancement to Jammer Live would be to save right hand "mixes" (one or more layers) with user selectable voices for intro, groove 1, groove 2, etc. That way you would not have to fiddle with program changes while performing.
As with Gigasampler (soon to evolve into GigaStudio), JamLive as a software product should evolve MUCH faster than hardware arrangers.
Joe Hardy