Help me choose BL setup for Maxx

[wallot]

I am planning a BL setup for my existing bashing Maxx as well as my new bashing e-revo project. I have read tons of forums, guides etc but still cant decide alone.

I will run it on dual 2S lipos (looking for 10000mAh 7.4V maxamps) so 4S total. I need 2 packs as i want to use one pack in my yokomo drift car.

I am looking for performace between novaks HVMAXX 6.5 and 4.5 with good runtime.
i have FLM chassis, single speed transmition with metal idler, steel CVDs and T-maxx 3.3 diffs.

I can go with HVmaxx with lipo cut off but i dont know how to use lipo cut off with dual packs (i dont want to use it on just one pack in case the other on dumps faster)

So I would rather go for lipo aware controller and i am lost in all those different controllers/motor combinations. The price should similar to Hvmaxx with lipocuoff
Please help