I just picked up one of these for my office. It connects to my Mac via USB port and allows me to connect to the internet anywhere I am. It runs on AT&T’s 3G service. I’m going to try it out over the weekend down at the beach. More details on the product here. I’ll report back with my review.

Update: 6/28/2008 / 6:30AM EST

I’m writing this post using the AT&T’s 3G Network down on a private beach in the small state of Rhode Island. I have the USBCONNECT 881 plugged into a 17″ Macbook Pro. I was skeptical about the speed before trying it out, but WOW! It is surprisingly quick. Not sure I’ll ever have a vacation again because of this thing, but for the time being it is really helpful to have.