I am sorry, but no upgrade is ever going to change the glacial sample transfer speeds in the T2 (and Korg, and any other non-computer sampler currently out).

Keyboard technology usually lags computer technology by at least 5 years. They are only JUST starting to add USB2 to arrangers, and the first ethernet and firewire workstations have been announced at NAMM - but no news as to whether these translate into real world improvements in sample loading, yet....

Donny, this is not be a 'mine is better than yours' thread, it's more of a 'mine is better than it used to be' thread!
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An arranger is just a tool. What matters is what you build with it..!