Radio for brushless vehicles

I am about to buy a radio, and I can get a futaba 3pk system for the same price as a spektrum dx3. THe futaba comes with a rechargeable battery, but the spektrum comes with an extra receiver. The futaba is also a discontinued model since the 3pks came out. Which would be a better choice for brushless? Does brushless behave better with 2.4 ghz or fm?

3pk pros: rechargeable battery, more adjustability, upgradeable
3pk cons: discontinued model, not 2.4ghz

DX3 pros: 2.4 ghz, extra receiver, cool antenna
DX3 cons: uses alkaline batteries, not as adjustable or upgradeable

Anyone have any suggestions, since my current futaba magnum junior is over 12 years old and has seen better days.:007: