And baby, THIS IS AWESOME. It's a 120GB OCZ Vertex Plus, SATA II, spur of the moment purchase. Drive recognised by OS X with no trouble. Disabled Filevault, booted from my original HD and used SuperDuper to clone the main system and most applications over. Booted from the SSD, then cleaned out the 1GB Seagate Barracuda drive and left on it about 400GB of music and stuff I wanted to store. Definitely snappier. My Macbook 4,1 with a 120GB Corsair Force 3 SSD and 6GB memory and an Intel GMA X3100 feels like a slug in comparison. It still wins in CPU benchmarks like Handbrake, but in real life usage I only want to use my G5 tower. Question: how can I make my G5 faster? Can't upgrade the CPU, got an SSD, got the fastest GPU I can get, memory maxed out... sometime I'll stick a 4GB 7,200rpm drive in for storage. And I can't be bothered to use RAID. And I want USB 3 ports, USB 2 is horrible. Some benchmarks from AJA System Test, 1920x1080 8bit 4GB disk test: Write: 7,200 Barracuda 7200.12: 44.7MB/sec OCZ Vertex Plus SSD: 44.8MB/sec Read: 7,200 Barracuda 7200.12: 68.6MB/sec OCZ Vertex Plus SSD: 122.5MB/sec And that doesn't take into account random access time. Can't remember which, but one Xbench disk random test scored over 2,000. If you got a G5 tower, get an SSD for your boot drive. Do it.