I use both MT3 and EVOD. Like both. Price for capacity, MT3 win. Same for T3S and mini T3S. T3S is larger for the same price.
I have both Spinner and Twist. Perform about the same. Spinner has thinner eGo thread (about half the number of thread as compare to the Twist) so it work better with my CE4+. It is harder to read the engraved number on the twist, but the print on the Spinner scratched off and there is nearly nothing to read. 1300mAh Spinner is cheaper than the 1000mAh Twist (23.99 vs 25.99).
If you don't mind the 800 mAh capacity, Aqua Vapor currently has the iTazte v3 for 29.95. It's the only small battery that capable of both VV and VW. Also LED display, puff count, read resistance, battery voltage, 3 click lock/unlock, battery life color indicator fire button, pass through capable. Super easy to use. I just ordered another one.
http://www.aquavaporcig.com/iTaste_VV_v3_Battery.html