Given the distortion applies only to two blocks of the screen (highlighted)...
... I wonder if it's some sort of matrix-like problem affecting certain blocks of pixels, or perhaps a bad connection problem on a couple of the nodes. Just a wild guess, though, I have no idea. Maybe you could try re-seating the LCD ribbon cable internally. Is it always the same pixels that are distorted, or does it affect the rest of the screen too?
On my
old Indigo, the LCD ribbon cable was semi accessible from inside, but looks like the
internals of the TI are quite different and you may well have to remove the mainboard before you get to the LCD board. Unsure how the LCD is even connected to the mainboard looking at that photo (and
another one), to be honest, or even if it's accessible.
Firstly, though, have you queried Access support?
http://www.virus.info/contact
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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!