You dug up the thread almost exactly 1 year later
It might be worth mentioning an alternative to Unitronic: RedRotors, the administrator of this site and based in Quebec, should be able to chip PD TDIs VERY soon
He can be reached via PM:
Unlike Unitronic, RedRotors does full custom chip tuning.
Each TDI and each driver's expectations are different, so a custom tune squeezes out every drop of performance (or economy) & ensures optimal reliability as well.
His price may be lower than Unitronic's as well, for a limited time. I say limited time because custom chip tuning requires more attention to your car by chip tuners so naturally it will cost more.