I've found some A2000 keyboards that use silicone-based springs, as well as ones that use standard metal springs (as my 1200 used.) I swapped the metal springs in the 1200 for silicone ones, improved the feel (IMO.) It might be worth determining just which type of springs your 2000 keyboard has if you haven't already, and perhaps it might be possible to outfit another type of keyboard with the same type.
