So I'm still wrestling with unsatisfactory Lightroom performance (everything, but mainly rendering). Current system is a Lynnfield Core i7 860 (4 x 2.93GHZ), 12GB RAM, 240GB SSD. My question is whether anybody here has experience using a 6+ core Intel-based system for Lightroom, and whether the additional cores make a real difference. Going off of Lloyd Chamber's benchmarks, my guess would be no, but it would be good to have confirmation either way. Going to 6 cores increases the cost of my upgrade by a good $500 (X79 + 4930K vs. Z87 + 4670K), but if it really speeds things up by 35 or 40%, I think it would be worth it!