Best Card for 450W PSU

I am running a 320mb 8800gts (poor timing, bought it just a few weeks before 8800gt came out) on a Corsair VX 450W PSU. It is now time to upgrade for Crysis and GTA 4. Unfortunately the 450W psu puts me just outside the wattage needed to run the higher end cards. I'm also not willing to buy a new psu, I'm just doing a small upgrade to get through the next year or two until its time for a new comp. Other specs: Comp is 1.5 years old, dual core @ 3ghz, 2 optical drives, 1 hard drive, 3gb ram, nothing really special about it.

I don't think my psu is up to the challenge of jumping up to the 4870. The best I have found is the HIS 1gb 48540 IceQ4, now down to $160 with the release of the 4890. Maybe dropping a little more this week; I don't think it can go too much lower, even with the release of the 4770 soon.

So does anyone have opinions on the best cards for a 450W psu? I have a feeling there are a good number of people in a similar position debating whether to get a card now to hold them over, wait till June for all the new cards, or to do a psu upgrade and get a higher end card.

Also what do you think about cards less than 1gb? Personally, I need the 1gb since I already have GTA4, which more or less requires >640mb to play, no matter how fast your card is. Also, after getting burned on the 320mb 8800 (at the time everyone said that more ram is more or less useless performance-wise and that games won't take advantage of it anytime soon) I'm not taking the chance of not being able to play a game because I don't have enough ram on the card.
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More about best card 450w
  1. HD 4850 1GB or GTS 250 1GB or 9800GTX+ 1GB

    any of those cards should work for you
  2. lasoski311 said:
    GTS 250 1GB or 9800GTX+ 1GB

    Both have 2 PCIe connections, the PSU only has a single connector (though it is enough power, even for a 4870).
  3. theAnimal said:
    Both have 2 PCIe connections, the PSU only has a single connector (though it is enough power, even for a 4870).

    So you would say that I could run a 1gb 4870. I looked it up online and it appears for my psu, i would have to buy a pin conversion connector to get a 4870 to run. The 4870 is only a little more $$ than the 4850 but seems to offer significant performance improvements. It would definitely keep me running top end games for 2 years.

    I have seen all sorts of comments about how you don't really need a 500w psu for the 4870, and that you can run it on less. However, I have yet to see an instance where somebody is actually is running their 4870 on 450W. Maybe I'll have to be the test subject and let everyone know how it turns out.
  4. Read this one two people stating that they are running 4870 on the VX450
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