We've started deploying them. We have two locations where the 1000 GPS antennas don't work due to (I think) STRONG 900MHz interference. Here are two sectors horizontally 40ft away from each other, one is a 1000 and one is a 2000 with the new sector and beamforming antenna.
1000 GPS Stats: GPS Firmware Version AXN_1.51_2838 Satellites Tracked 0 Satellites Visible 11 2000 GPS Stats: GPS Firmware Version AXN_3.20_8174 Satellites Tracked 15 Satellites Visible 19