In the meantime I got myself this[1] and can highly recommend it. No more fiddling with USB-dongles, you can just leave it in the bag and a single button press gives you a Wifi->3G bridge (for up to 5 clients).
[1] http://www.amazon.com/UNLOCKED-HUAWEI-HSDPA-MOBILE-Velvet/dp...
In the meantime I got myself this[1] and can highly recommend it. No more fiddling with USB-dongles, you can just leave it in the bag and a single button press gives you a Wifi->3G bridge (for up to 5 clients).
[1] http://www.amazon.com/UNLOCKED-HUAWEI-HSDPA-MOBILE-Velvet/dp...