The most stable Nvidia Driver is the 30.82. These are the drivers that most of the recent games have been tested with. In my opinion they are very good. I've never heard of the 38's (not hosted by the
Guru. I guess its a typo on your part?
). Try not to use either of the 40.71 or 40.72 on that card, as you will not be able to access the Advanced Panel in the properties menu unless you use another utility. I'm currently using the 41.09 (Beta by the way) and had no problems whatsoever. People have claimed that the best all round driver for the GF3Ti200 is the 23.11. So you might want to check that driver out to. I honestly dont see any difference between that driver and the 30.82 driver. Theres a considerable difference between the 30.82 and the 41.09 but thats mainly an increase in FPS.