im lookin 4 a gfx card i was lookin at (ATI Radeon X1950 XT-X ***Crossfire/Master Edition*** SILENT Heatpipe 512MB GDDR4 (PCI-Express) - Retail) - (Connect3D ATI Radeon X1950 XT-X SILENT Heatpipe 512MB GDDR4 AVIVO TV-Out/Dual DVI) and (Sapphire ATI Radeon X1950 XT-X SILENT Heatpipe 512MB GDDR4 AVIVO TV-Out/Dual DVI), can sum1 tell me the diff and if these slave cards will work with thats master card coz im lookin at crpssfire in a few months or so, i need 2 get a card on friday so which 1 do u guys think???