Wirelessly posted (BlackBerry8830/4.2.2 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/105)
No exit row in advance, but you can request seats towards the front of the cabin. I'd see if 8DEF are available. Those are pretty good seats.
And your bags will have a priority tag but that is of questionable value.
Otherwise no real benefits to speak of.