I have read through many threads but have found I am only left with questions. First, the title is slightly misleading. I am a tech guy who works IT, Specifically SysAdmin for Govt. Contracting & at the moment, Helpdesk support managing Accounts on AD through Windows. I do not consider myself a Mac guy, Nor a Windows Guy; I am a Computer guy. My current setup is as followed as followed: Custom PC: AMD FX-8350(8 core, clocked to 4.5ghz), 24 GB DDR3 Ram, AMD Radeon R7 240, multiple HD's totaling about 2TB of Data, DVD Drive. Running Windows 7 and Ubuntu. Macbook 3,1 2007 with Snow Leopard, 4GB ram and 160GB HD Previous Server(sold to a friend): HP DL380 G5: Dual 3.2GHZ Quad core XEONS; 8GB DDR2 Ram, 4 Sata Drives in Raid 0+1(2+2[Single drive shown to system for booting and fun]), Server 2008 and Ubuntu running in Hyper-V After extensive research of the MacPro and finally deciding on a 2009 MacPro, 4Core; After purchase do EFI update to 2010 and update to 8 core then eventually update to 12 core via processor update. This setup would have been a lot of $$$$$$$$$$ more than I wanted to spend(Over time, not at once). My goal is a system that is faster than my current custom PC while running a version of OSX. I'm over the Hackintosh movement as well as windows in general and just want this to work. After some time I remembered the xServe and figured What the hell, i'll look into it again. To my suprise, the price of a 2009 8 core xServe is about the same as a 4 core MacPro from the same year with a few drawbacks but additional features as well. I dable in a bit of everything, Light gaming(I have cosoles for this so not so much anymore); Audio production, Video Production(Two gopros and a quick car & AutoX/Tracking + Water sports); Media server, File Server. Main purpose will be Media and File server with the rest coming second. My questions are what are your opinions for the goals. I am well aware of the noise as i work in Datacenter and had a server prior(hp dl380, see above). Likewise, The audio/Video production is minimal and the noise is not a problem as I can seperate myself from that. I am aware of the Lack of audio interface but that can be combatted by Firewire, USB or PCI interfaces. Video is my main question. I would like to have some sort of decent Video Accelleration above the built in GPU( i forgot what the board is called..mezzarea... something). I know the space is limited but i want to know the compatability. As of OSX Mavericks, All(almost all?) Nvidia cards are supported(the drivers are there in osx) with cooling(modifications will be made if required to cooling system) and space(different sized cards) not an issue, Theoretically, shouldn't the cards work. This information is lacking on the interweb, however i have read some(very few) success stories of people who have actually tried. I am also aware of the power requirement with dual Power supplies. This will not be a 24/7 Machine, only a "When Needed". My goals are as followed: 2009 xServe; Dual Quad core, SSD Bootable, Drive1: Raid 1 with Bootable; Last two drives in a raid 1 config. Low Profile Graphics Card in one of the PCIe Slots. Media/File server;Video Rendering/Editing of 1080P/2K video; Last priority is Daily Driver and Audio production. On another note i've looked into CPU upgrades it looks like this has not been attempted in the 2009 as board/chipset/EFI compatibility is negligable. having a 12 core xserve would be a novel idea and very desirable but not truly feasible unless the board would support it(doubtful). Let me know your thoughts, feelings, etc. Flame suit is on stand by for the Daily driver/Audio Prod. Comments.