dont be scared away by that thread. there are tons of users here and how many are reporting in that thread?

for my n900: the usb is tight but i hav been charged the phone lots of time now lots of unpluging but my usb is still there and no sign of any move at all. and i did not do anything to my charger too.

i do be careful when i just bought it but i unplug even without caution now but yes my usbport is still there