I've getting much better results as well!!
About 300-360mah draw during a call or download,
1 extra bar of signal at my house for now (haven't tested anywhere else), talked on the phone for a while and it didn't get hot, connecting and ending calls seems to be a little quicker, same with data connection dial-up.
Gonna see how it goes tomorrow when I hammer on my phone all day like I normally do. I usually HAVE to carry my wall charger and keep the charge cable nearby my laptop all day in the office just in case, I normally hit 50% by lunch time.