3G dongle on linux?

[freebooter]

I am looking into getting a 3G usb internet dongle (see general thread here http://forums.overclockers.co.uk/showthread.php?p=22240890#post22240890 )

I want to be able to use it on linux (kubuntu 12.04 64). Is anyone using a 3G dongle on linux? Do I need to be careful which one I get and do they work automatically or will I need to set it up somehow?

thanks

 

[freebooter]

Thanks for the replies. I have been using my phone which works fine but will try and get a cheap Hwawei one from ebay as it will be more convenient.