Chris! Chris!
You're killin' me here, man! I've got a daughter in college! I can't afford the TD-10, not to mention adding things to it! Aaaaargh!

Little did they know that when my sibs got together and bought me a lowly Yamaha PSR-270 that they would propell their little brother on a path to financial rack and ruin! I'll stop exploring sound capabilities when they pry my credit cards from my cold, lifeless fingers!

To add insult to injury, I've started seriously writing songs again because of this stuff - something I haven't done since I quit club work 20 years ago! But I digress . . .

I've found that the cymbal sounds available in my JV-1010 have been pretty good, though not terribly plentiful. I infer from your remarks that the TD-10 is NOT much of an improvement over the TD-8 without expansion.

In the same general price area as the TD-8 is the Alesis DMPro, which is much favored by the drummers at my local music store - you have anything to add to their observations?