After reading this thread a few days ago I changed Swappiness to 15 and Page cluster to 1. My setup: Overclock 500-1000 on ULV. on V40 Kernel. GSM only when not using internet or when accessing internet via wifi. Battery Indexing Disabled using Tracker-cfg. Standard use for me is some mild sms and calling. Some photos using fcamera, about 90 minutes of Angry Birds. Some internet browsing approx 1 hour (wifi) so far and the updating of weather and email over wifi once every few hours. It is now 46 hours after a full charge (reading in beecon snippet was 97%) AND I HAVE 35% REMAINING!!! This is just outstanding. Plus there are the other benefits described such as snappy switching of desktops etc etc @ Lilboymonkey - don't reflash your emmc. I have never done this and my phone works great. Have reflashed twice. 1st to upgrade to PR1.2 and the other just to reload some apps after a huge clearout. THIS IS KEY - if you have a bunch of dev apps and widgets then these changes will not really effect you much as those things eat battery Ciao