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Tuesday September 26, 2006
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 EVDO (Rev A) was recently announced as part of Verizon's and Sprint's efforts to beef up EVDO and replace the aging EVDO (Rev 0) networks. The Sony VAIO VGN-TXN10 will be the first laptop to offer Sprint's EVDO Revision A networks into its 2.8-pound chassis. The new networks promise faster download speeds (3.1 Mbits/sec versus 2.4), faster uplink speeds, and lower latencies. Now the problem: There are no Rev A cities available in either Sprint's or Verizon's network, according to Sascha Segan, a Lead Analyst here at Gearlog, and people with the new Rev A modems will default to Rev 0 speeds. If Cingular's HSDPA network is any indication, a complete rollout for Rev A might not happen until 2007. But EVDO, whether it's Rev A or Rev 0, is still the preferred network over competing services like Cingular's EDGE.
Otherwise, the TXN10 doesn't go through any significant design changes. It's still one of the few (if not the only) ultraportable to have a built-in optical drive yet weigh under 3 pounds. As with the Sony VAIO VGN-TX670P, the TXN10 will continue to offer a carbon fiber lid with a variety of colors. Systems with the Rev A modem will be available at the end of Sept. Prices start at $2.300.
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