Did my second CRJ-700 F flight yesterday (and first with the new E+).
I spoke at length about the CRJ-700 after my first flight here -
http://www.flyertalk.com/forum/showthread.php?t=318189
Row 1 is still the best - immense legroom. But Row 2 has excellent legroom and with the not-so-generous-as-mainline-recline, you still can work.
Row 3 remains super sweet for E+, and the rest of E+ is really nice.