Oh, well if you have a specified cell count you will use (4s lipo), then go for the 1Y Neu, the 2.5D will be too slow on 4s.
I use the Quark controller... modified as a 'beast' controller, capable of probably running a small Honda Civic. Check out my sig. for the link.
“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens