I am on bluetooth connection yeah, but thats all i used with my curve!!
I can't see any relevant parts in that linked docutment, but i may have missed it skim reading, but i can use the internet on the laptop fine, its the phone side that no longer works.. ie msn on the blackberry, bbm messages and emails etc..
my old curve never went to "modem mode" and i think that is the reason.. I dont see why they have changed it :( it... i will try with a usb but as far as i recall that switched to modem mode also when i tried it