Was also about to mention the MC909, it's like the 505 but on steroids, as well as having sampling. - Think it has 16mb Flash RAM as standard, with up to 256mb additional normal volatile RAM [not Flash RAM] as an option. (Because any such >256mb RAM upgrade is not flash-ram, though, you have to save the samples held in the RAM elsewhere before powering down, via USB to computer or to a SmartMedia card on the 909 itself [however, the largest SmartMedia card is only 128mb though]).
The 909 also has beat slicing/chopping (like Propellerheads Recycle), time-stretching etc.
Unlike the MC505, the 909 has velocity sensitive pads.
http://soundonsound.com/sos/Mar03/ar...olandmc909.asp
http://en.wikipedia.org/wiki/Roland_MC-909
Would've been great if the MC909 had some of the newer features of the MC808 (such as 2GB Compact Flash for samples, etc.) and higher poly. However the MC808 itself lacks most performance controls (knobs, sliders, velocity pads, etc.) and other internal specifications compared to the 909, even though the sound engine is the same. Unlike the MC909, the 808 also requires the use of a PC to edit samples.
http://en.wikipedia.org/wiki/Roland_MC-808
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PS > And another thing! Will the Ti|3 have user customisable/importable wavetables?
A ribbon-controller or XY-Pad might be nice, too, please! Thanks!