I've been browsing the forums trying to come to a decision on whether to buy a nMP for general use/gaming or top of the line iMac with 780m. I ran across a thread talking about connecting a external graphics card using Thunderbolt and I hadn't thought of that. Would it be possible to connect an external gaming GPU to the nMP to use while gaming in OSX and or Windows? Does anyone know how much it would cost to get an external Titan or better and if that's possible? Thanks in advance.