Hello, I want to buy a new PC I have some questions to the people here who know something about hardware. First question: Is this PC Ok / powerfull enough? Siemens CELSIUS V830 Opteron 265 1.8GHz <--- Is "Intel" better? 4GB 2x2GB DDR400 rg ECC Nvidia Quadro FX 3500, 256 MB <--- I think I´ll take 512MB DVD SuperMulti double layer writer HDD SATA II 250GB 7.2k Win XP Prof x64 Edition (MUI) Secuend question (already asked) Would be "Intel Xeron" the better processor? Third question: (This PC will be only a work station) Nvidia or ATI ? Thanks