Sony Vaio VGN-AR190G went with Core 2 Duo T7200 2.0GHz CPU built in, and Microstar 262B with Core Duo T2300 1.6GHz.
We like more Sony Vaio VGN-AR190G 17" inch screen than Microstar 262B's 12.1" size.
For people who likes higher screen resolutions, 1920x1200 on Vaio VGN-AR190G might be more preferable than 1280x800 on 262B screen.
Sony Vaio VGN-AR190G model we've tested had more RAM (1GB) than Microstar 262B (0.5GB).
2GB is maximum supportable RAM memory on both notebooks
Graphic card inside Vaio VGN-AR190G is Nvidia Go 7600GT and other laptop uses Intel 945GM.
More hard disk space were at Sony Vaio VGN-AR190G (200GB is contast to 60GB).
Lack of bluetooth on Microstar 262B might mean that you need to buy externall bluetooth device for manipulating pictures from mobile phone or camera.
Infrared, which is useful for communication with some mobile phones is available only on Sony Vaio VGN-AR190G.
Firewire useful for some video equipment communication is built-in both laptops.
PCMCIA isn't built in Microstar 262B.
Note that Microstar 262B cannot perform 1Gbit/s connection on fast networks, it will work on those, but with speed of 100Mbit/s.
Cardreader is inside only Microstar 262B.
Disadvantage of both is lack of DVI output for connection to some modern monitors.
Only Vaio VGN-AR190G has TV output.
Advantage of Sony Vaio VGN-AR190G is TV input.
The number of USB ports is 3 on both.
Web camera is built in Sony Vaio VGN-AR190G (the another hasn't any) and that is useful for video conferencing.
Operating system on Vaio VGN-AR190G is XP Media Center and on 262B is XP Home.
There are additional software only on Sony Vaio VGN-AR190G and it is Works 8.5.
Special adventages of these notebooks are : two hard disks of 120 in RAID for Sony Vaio VGN-AR190G and for Microstar 262B.
More
Laptops comparisons:
HP dv8301nr vs Gateway MP6954.
Sony Vaio VGN-SZ220 vs Gateway MX6912.
Acer TravelMate 4652LMi vs Panasonic Toughbook CG-18.
Sony Vaio VGN-AR230G vs HP Pavilion dv9056ea.
Asus Z 9266 VA vs Panasonic Toughbook CF-29.
Asus Z 9266 VA vs Toshiba Satellite L100-1200.
Acer TravelMate 8204WLMI vs Fujitsu-Siemens Amilo Xi 1546.
Acer Aspire 3681WXMI vs Fujitsu-Siemens Amilo M3438G.
Gateway MX6931 vs Toshiba Satellite L100-1200.
Sony Vaio VGN-AR230G vs Sony Vaio VGN-FE28B.
Acer TravelMate 4652LMi vs Samsung R40-T500 Cinoso.
Asus Z5303JC vs BenQ R23.G13.
Sony Vaio VGN-FE770G vs Acer TravelMate 2414NWLMi.