Digitals also draw a LOT more amperage from your rx pack.
resulting in shorter run times and slower? response after a while?
constant centering takes it out on the rx pack pretty good.
A 1600 mah pack (as previously suggested) is a Great start to solving the 'basic' problems with ALL servo's.
Not sure about any 'gucci' shoes, NEVER found a need for them.
Stock 1/10 clutches last forever and work great for Almost every one.
good luck with it and 'have fun'
It's what these things are for.