But, Dell Latitude launch is one day overlapped by Portege M700: Toshiba 9th generation tablet PC. Toshiba tablet convertible PC generations started by Portege M205 at 2004. Then evolution becomes Portege M400 which introducing optical activator and standard voltage chip.

Now Portege M700 is Toshiba first tablet PC using light emitted diode (LED) backlit screen which has touch screen feature. Same touch screen ability also owned by Dell Latitude XT. Screen diagonal measure of both tablet PC is also same, 12,1 inchs. So do the screen resolution (WXGA , 1.280 x 800 pixels).

Toshiba touch screen technology can support usage of fingertip and also stylus pen. Portege M700 can detect input method and automatically changes input method from pen to fingertip and on the contrary. If both methods traced, Portege will prioritize pen usage to avoid unintentional touch.

LED backlit screen has anti-glare layer which makes clear picture and easy to seen either at inside and also outside room with various area condition. LED backlit screen produces good picture quality and rich colour saturation. Toshiba claims WXGA widescreen have 30 % more detail compared to standard XGA screen.

Meanwhile, Dell Latitude screen has two choices of light source: LED backlit and cold cathode fluorescent lamp (CCFL). Cold Cathode Fluorescent Lamp gives brighter light, that is 400 nit (level of light), equivalent with candela per meters², suited for eyesight outside room. LED backlit gives 220 nits, for inside room.

Dell Latitude XT has equal specification with Fujitsu LifeBook T2010 and Lenovo ThinkPad X61 Tablet. All three product doesn’t have optical activator and the weight is below 1,8 kilograms. XT uses Ultra Low Voltage Intel Core 2 Duo U7600 (1,2 gigahertz) chip and 1 GB DDR2 RAM. Its also applies Radeon Xpress 1250 from ATI and hard disk 120 GB. Its selling price estimated $ 2499 per unit.

Meanwhile, Toshiba Portege M700 has higher specification, that is Intel Core 2 Duo T75001 (2,2 GHZ) processor, RAM DDR2 2 GB, Intel Graphics Media Accelerator X3100, DVD SuperMulti, and hard disk 160 GB SATA (5.400 RPM). With the retail price $ 1799 per unit.

Presence of this two touch screen tablet computers becoming strengthens the assumption that touch screen now becomes trend. Touch screen technology rockets when Apple launch iPhone and Microsoft introduce Surface PC. Dell now having experiment their own touch screen technology. The screen with sensors which able to trace fifth of the user finger at least has just emerged next year.

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