Can I use a NVIDIA card only for Boot Camp in MacPro5,1

I bought an ACER HN274H 3D monitor and then found out that 3D (primarily for gaming) won't work with the ATI Radeon HD 5870 card that I have in the PCI Express 2.0 x16 slot.  I assume the easiest fix would be to put a NVIDIA card in one of the remaining PCI Express 2.0 x4 slots.  A post from 2008 said that 2 cards should work if only one is plugged into the monitor at a time - one for MacOSX and the other for Boot Camp.  I wanted to confirm if that still is the case for Boot Camp where I'm running Windows 7.  What would be a reasonable NVIDIA card that would not exceed power of 300W combined maximum for all PCI Express slots (no other PCI cards currently); primarily for gaming with 3D option.
This would be for a Mac Pro bought in Nov 2010.  Other relevant info:
  Processor Name:          Quad-Core Intel Xeon
  Processor Speed:          3.2 GHz
  Number Of Processors:          1
  Total Number Of Cores:          4
BTW, HN274H works ok in 2D for both OS's.
thanks!

ebay or eVGA for used and refurbished GTX 285, though eVGA may be out of those, they were $129 after selling for $449-499, Mac Edition.
http://www.evga.com/products/prodlist.asp?switch=20
Mac Pro Video Card : DV Warehouse, Your single source for your all digital video needs!
They have 8800GT $238
Flashed PC GTX 285 ebay
Save $400 from Amazon on Quadro 4000
Amazon PNY Quadro 4000 2 GB DDR5 DVI/DisplayPort  Mac VCQ4000MAC-PB
300W is without using two 6-pin aux power video card cables, 75W per slot.
So as long as the 5870 is present you need to look into a 450W PSU to rig together to add 6/8-pin aux power to an additional card.
My understanding though is that a PC card under OS X needs support, the fan can run constantly.... not my forte as to how and what to expect.
OSX and Graphics Cards
GTX 460 and above would fill your needs.

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    The debit card must be the type of debit card that can also be used as a credit card and contains one of the logos listed in that article (Visa, Mastercard, American Express, etc.). Otherwise, that would be correct.
    Having familiarity with the message the OP is receiving, he/she can contact the iTunes Store directly to inquire about why the message is being received, and they may be able to provide some clarification on what is going on. In the meantime, a different card that has one of those logos that is applicable for their country of residence will have to be used.
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