$300/each way, over night. spend more to minimize time in transit to minimize risk. You can't add shippers insurance to these because customs, this is the next best line of defense.
This post is sort of right, but not completely.
Ignoring Piggy Back Stuff.
Tuning does not require a Donor ECU and Clone. You can unlock the ECU you have, but are limited on your tuning options. You cannot use Ecutek, you can't use Reflex, no port injection, no flex, no map switching, no big...
Turbo is great. Spools fast for its size. I'm fully in boost by 4500RPMs. I have the smaller of the two popular ones, the 9564s. Max potential is like 900hp out of this one. If you're going Xona, message Mike Speed at Evolution of Speed. His kit is superior to Norris's kit, IMO.