hi Jagerblunt, so your budget is $2000?
for your first kit, I would not recommend a 2000 watt motor, in fact to get that power, you would have to modify the motor and have a very expensive battery..
for my first kit I bought a geared BMC v4 cruiser rear motor from ebikesf.com.. the owner name is Ilia and he is a good guy, he is worth contacting.. http://www.ebikessf.com/
.... ( just mention what your after and he will help you), oh and the motor came with a 7 speed freewheel, my regular bike came with a 10 speed freewheel, and Ive no major problems using the 7 speed freewheel at all,
heres a review of it.. http://www.electricbike.com/bmc-hub-motor-review/
my battery was a Ping 36 volt 15 amp battery, total costs were just under £1000 (GBP).. http://www.pingbattery.com/servlet/t...lithium/Detail
my bike can go just over 25 mph on a flat with no headwind, and with wind can still reach nearly 24 mph..
another guy Id recommend is Paul from EV bikes ( http://www.em3ev.com/store/
) he sells MAC motors.. these are geared motors like the BMC but his prices are cheaper.. again he is a good guy and has lots of knowledge..
so far I have done just over 3000 miles.. and I take good care of my bike.. and everything is fine, some issues with wires comming out, but easily fixed..
anyway I do lots of research and realise that with more power and speed, is more unreliabity, heat and also it can be quite dangerous..
search the endless sphere forums, and chat to a guy called Dogman.. ( has lots of experince) and also in these forums there is a guy called turbo..(something).. he seems to have good knowledge..
anyway keep posting questions..
take care now