TransAlp SU Rack $232 (includes crossbrace)
Shipping $20 within USA
Adapter plate $12 (actually, not needed if your Givi Boxes have a flat back)
Junction Kit $16 (I think these are the Givi mounting hardware)
Total $280 US
The racks are powder coated in a choice of colors at no extra charge. I chose yellow but red, white, blue and black are offered.
Racks fit well; installation was straightforward and all hardware required was supplied. Only adaption (for the Givi E45's) was a relocation of the left turn signal which only required drilling one hole in the top rack support bracket. Did not have to do any rewiring.
BTW: I changed the stripe on my TA from red to yellow (just to be different)