I wanna get an i7 27" iMac the next week. But I'm not sure about the environment yet. I calculated it through and as a result the intern apple ssd seems not that expensive anymore. I won't open my imac so I would go for an TB 2,5" enclosure + TB cable + a 120GB Vertex 3 SSD. This would cost me approx. 350-400€. The upgrade for the apple ssd only version is about 500€. (I do have a external FW800 enclosure. And I already own enough harddrives. So this won't be a problem to loose the internal hdd. Perhaps a little advantage because of the noise???) I've read several tests of the vertex 3 and the speed is pretty awesome. I've also read the specs of the intern apple ssd and that speeds don't get near the apple ssd... but how are they both compared in real world benchmarks. Starting Apps, Booting the system, kind of these things?!... How does the difference between theses to feel?