Have been playing with ram tweaking on my Z77X-UD5H and so far I'm pretty impressed. Not very good PSC so stuck at 2500 for 32M stability. 2x2gb Tridents F3-16000CL9D-4GBTD. Got many more kits coming in the next week or so, so if people don't get annoyed by it I'll continue sharing my ram results on Ivy.