XSReviews has reviewed the XFX 9800GTX + Black graphics card.
A quote from the article:
>> XFX 9800GTX + Black Review
nVidia have recently decided to rename a lot of their 9 series cards with the GT1 series moniker. Fortunately, XFX sent us over a couple before this, so today I'm not testing a GT something or other, it's a 9800 GTX + Black Edition. Let's check it out.
>> XFX 9800GTX + Black Review