Better Graphics Card for Dell Precision 380?

Hi all! I am at a loss as to getting a new graphics card for a Dell Precision 380. I have a 375W power supply and was wondering, out of the list of cards provided, see which ones are supported. I'll list two links, one for computer specs and the other a list from... show more Hi all!

I am at a loss as to getting a new graphics card for a Dell Precision 380.

I have a 375W power supply and was wondering, out of the list of cards provided, see which ones are supported.

I'll list two links, one for computer specs and the other a list from Novatech.co.uk:

http://www.pcmadd.com/precis380.pdf

http://www.novatech.co.uk/novatech/prods/components/atiradeongraphicscards/sort-price-asc/?page=1

Thanks!
Update: I plan to at least run older games earlier than 2005 and do some light video editing work.
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