For the speakers I'd consider three
Ascend Acoustics Sierra-1 bookshelves across the front with HTM-200SEs for surrounds. A 7.0 setup will set you back less than $1800 shipped within the US (
review). For a few hundred dollars you could have the Sierra-1s upgraded with the same NrT tweeter used in their towers.
I do own a set of the NrT version and like them a lot.
Alternately their
CMT-340SE is another fine choice and you can do a CMT-340SE/CBM-17SE 7.0 system for around $1500 shipped (
Review). I've owned the 340s and enjoyed them. Matching
stands are only $140.
I have not heard the EMP E55Ti but their reputation is good enough to earn them a place on anybody with a $2k budget's short list of candidates.
You only have 2800cuft and for the sub I'd probably go with a Rythmik FV-12 or SVS PB/PC12-NSD instead. As someone that owns 2 sealed subs I can tell you that they aren't enough better at music to make up for the their lack of low frequency impact. Plus a single or even two SB12 are likely to struggle in 2800cuft.