Having done a few Colorado vNet installations I would highly recommend Colorado vNet's hardwired architecture. Wireless lighting still has it's share of challenges. That being said Radio RA is fairly well established.
It is true, the company is under a management change, but I think this is going to be extremely positive. The company seems poised well poised for continued growth.
I urge you to take a close look at the hardwired solution on any new construction build, and the wiring isn't proprietary in this case. All switches, or "keypads" as they are commonly referred to are wired with straight CAT5-e. I recommend two pulls of CAT5-e to each of the switch locations.
Wire all dimming modules off the panel and down in that main area. Easy! Easy! Easy! And super reliable. Cost is a bit more up front, but you won't regret it.
I'd put all main areas on lighting control and leave non-essential areas on standard switch legs.
Go to Coloradovnet.com for more info on Wired/New Construction architecture.
If you need to find an integrator in your area, let me know how I can help.