I have to say this FRX05 build is the best one yet:
1. No need to add sprint settings- 3G out of the box
2. Camera works
3. Wifi works after editing files (could be wrapped into next build)
4. Restores of all data work.
5. Out of the box Quadrant benchmarks 523/524
6. I am still running after initial boot with no reboot 2 hours later
7. Have not tried the USB headset.
My complements
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Sprint: G1000, HTC-6600, 6800, TP2 now Optimus S with Stock Android 2.2.2.