I bought the BB deal yesterday, the 2.8/16/1TB for $2899. They also matched the nearly $100 Apple Care savings from B&H --- with a couple of certificates I had, as well as a 2006 'working' MacBook (they gave me $200 for it), I walked out paying less than the base 2.5/16/512.
No need to wait for Skylake when the deals get that good. A TB of screamin' solid state storage just Rocks! (I've owned the 2012 rMBP 15" 2.7/16/768 since it's release, best computer I've EVER owned. I'm 44, started with the Apple IIe.)
Very happy with the deal.
Good Luck with your choice. It's not an imminent upgrade by any means, and other than a nice integrated bump in the iGPU, the Skylake 'bump' is similar to everything since Sandy Lake, Ivy, Has and Broadwell. Maybe a 5-8% bump in performance but a nice little power savings with the smaller silicon. That said, a nine hour 15" laptop fits my world Just Fine!
Jer