Anyone else downloaded the latest update yet? "As long as your desktop has a multi-core CPU and at least 12GB of RAM, you should see improved speed for these things: Import grid loading Import and preview generation Walking through images in the Loupe View Rendering of adjustments in Develop Merge operations of HDR/Panos Export" Colour me impressed, this is flying for me now! Doing a a bit of reading and Adobe have mentioned that more performance improvements are on the way. Admittedly I have got a decent amount of RAM (16GB) but the rest of my machine is getting on a bit now (Sandybridge i5 2600k). However, despite the improvements that version 7 brought it was still sluggish in many places.