I'm new here so please bare with me. I currently have a 256MB ATI Radeon x600 SE w/ Hypermemory that came with my Dell 5100 computer. I was looking to upgrade it and came across the connect3D X800 GTO card on newegg and then was pointed to this forum from there. My computer is pretty much stock except I've added 1 GB of ram to get 2 GB total. I got the memory at work for free and its just 4 sticks of the stock Dell 512 MB ram. I'm not sure of the brand at the moment. So my question is I went ahead and ordered the x800 GTO today. I want to install it as is and am not hugely interested in overclocking it as I see it as a huge improvement from the stock x600. My question is that the Dell comes stock with a 305W power supply and I'm a little worried that it will now be underpowered. I know that the ATI websites recommend 350W but I read on the Dell site that the 305W is the average power supply output and that it is actually rated up to 400W. I don't have a ton of other hardware installed in my computer, DVD-Drive, the 2GB ram and the HD is pretty much it. Have I gotten myself into trouble here or should things be ok as long as I don't push the x800? Has anyone else ever used one of the x600 SE's before? I'm just curious about the performance increase that I can expect. Thanks for all your help. I'm reading a ton on the forums and am learning a lot. I look forward to contributing here.