Those are only version 45.85 (as seen in the URL for that file)

 

nvidia has gone up to 53.30 now, you're a bit behind the times ;)

 

Here's a very nicely modded version of 52.16 for laptops:

http://host1.ther1.com/~rewen/dell/win2kxp_52.16_for_laptops.exe

 

There are versions of 53.30 and 53.03 that are modded to work with laptop cards but they aren't working so well at the moment.