I haven't purchased from them YET, but I've visited their facilities a couple of times, and have chatted with their folks.
A few observations:
- lots of stuff in stock -- this is a real brick-and-mortar place with impressive inventory on-hand (easily 6 figures in Taitec stuff alone): this means more predictable delivery leadtimes and potentially lower prices
- they have experience installing most of what they sell -- their Project NSX (full Taitec JGTC) car is pretty impressive; their work with Integras and Hondas is also good
- impressive facilities: multi-bay service shop offering a wide array of services; large-scale trailer for track / show use
- they deal with multiple marques (import and domestic)
- they are well-funded and committed to being a big player
########################
Usual disclaimers apply... no vested financial, or other, interests, yada yada