i use the ego-t and love it, my b.i.l. has the ego batt with a 510 tank and drip tip that looks awsome! i have the tank on order right now. i have read alot were ppl like the higher resistance atty's, makes the pull hotter?? i have found that i like the low resistance atty's for my ego and seem to get a much bigger hit w/mine... is there something i'm missing with the norm/high resistance ones... maybe with the new tank it will give me the bigger hit i like???