As the title says, the OQO is the hands down winner for Web surfing compared to the Sony U. On a recent trip, I placed the OQO in my front pant's pocket after I dropped the car off at the rental lot. The Sony U stayed in my carry-on bag.
We arrived early at the airport and had time to kill, so I surfed the Net using Edge-GPRS with the OQO Bluetooth paired to my cell Bluetooth for several hours.
It was the experience that the PocketPC has always dangled in front of me, but could never quite deliver. All forums worked, all Website content delivered as the Web designer intended, Java sites like Hushmail worked, SSL VPNed into work, and even surfed to an NT 4 Outlook Web Access site without a hitch. Of course it should the OQO is a ultra portable computer (a PC).
For GPRS performance, surfing to the made for mobile device sites enriched the experience because it cut down all of the useless components of those Websites.
The biggest issue with the OQO for Web access is battery life. If only the OQO could charge like every other piece of portable technology made in the past 5 years, through the USB port. This could prolong and revitalize the OQO for further use while away from my office or home (where the charger resides). The iPod, all PocketPCs, the Treo, etc. have mastered this subtle, but obvious method of recharging for us road warriors.
Companies like Brando and JavoEdge have made life even easier by making very portable and retractable USB synching cables with home charger and auto/cigarette adapters that mate with these retractable cables. Also, if only OQO could come out with an extended battery like the Sony U to deliver 2x more battery life.
This is the portable Web experience that I have wanted since my first Toshiba Libretto. It's funny that since the 1997 release of the first Libretto, battery life is still one of the biggest issues for mobile technology.
So if your main objective is to have a very portable Internet machine to be carried easily in your coat or pant pocket, the OQO may be for you if you can afford it.
For the compromises, I can see why many PPC owners have opted to wait for the next generation of handtops, stay on the PPC, or make the same compromises using a smart phone like the Treo.
