Less tv get some fresh air...j/k
NRG has said many times that he does not care about battery life in his ROMs. Sounds stupid I know. Check out:
http://forum.ppcgeeks.com/showthread.php?t=113321
I agree with you, some of these ROMs are no different than having a corded phone. I do hate having to keep my phone on the charger all the time just in case i need to run out for 2 hours.