Ever since I discovered llama for android, I have even less issues with 3g hogging battery on my optimus. Before that, I used Y5 battery saver for the same purpose. I am at work and home 90% of the time, where I have wifi.
I have never used juice defender, and rarely use ATK.
I just am a bit hesitant to change to the triumph when there are these as options:
CM7:
What's known BROKEN:
Hdmi non-functional
The is an interrupt storm if you enable both Wifi and Bluetooth at the same time. Don't.
Front camera does not mirror snapshots or video, but does on preview.
Occasional force-closes when switching cameras front-to-back.
MIUI:
What partially works:
Camera (FFC output during video calling and snapshots is not mirrored.)
MMS (I can send, but not receive. Always comes back complaining about something.)
What doesn't work:
Ambient light sensors
WIFI hotspot (DON'T ASK, WON'T FIX)
720p video recording (Doesn't work in MIUI camera app. I've heard reports this works with a 3rd-party app)
HDMI out/mirroring (I don't have any way of testing this. Maybe it does work.
Known issues:
These builds, as mentioned, are not being built from source. As such, measures were taken to get everything working. Don't be surprised if you get a FC or eleven. Furthermore, these are development builds (a.k.a not stable). Some of you may be able to live with it, some won't.
Being similar to CM7 (at the core), the proximity sensor goes wonky during phone calls.
Seeing things like "WONT FIX" are not good... but I suppose that someone else could always step in.
I mean, CM7 looks more usable, but I have llama set up with a ton of rules such as enabling bluetooth when plugged into a charger, so that when I hook it up at home or in the car, I can tether and use handsfree. Llama is amazing.