I will never get rid of my T3 either.

As far as sequencing:
1-yes you can save sequenced data to ur disk
2-I have not faced any problems with my T3 on Cakewalk. I use my T3, and I have two other keyboads/modules hooked to it via midi and going through to the Cakewalk on my PC. I have used the 16A and 16B channels nicely to send sounds from my T3 and the other two boards. Yes T3 does not have General Midi but so what?

I am still looking for T3 keys (my D2 is broken and I need to replace it)...any ideas where I can find one? I am willing to buy another working or non working T3 for a good price.
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Samer