recommendations for a 64-bit laptop with ECC memory?

[Globe Trotter]

Hi,

I did post about this a couple of weeks ago, and got a few responses.
Basically, I am looking for a 64-bit laptop, high performance, high memory,
etc, to run Linux and most likely F. Dell's Latitude D830 was suggested here,
but it turns out that the memory it comes with is non-ECC, but DDR2. I don't
know much about DDR2, but shouldn't ECC memory be important for me since I will
be using it for scientific calculations? I am looking at a laptop with 4GB RAM.

Any help or other suggestions? 

Many thanks and best wishes,
Trotter



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