power assist for your commute?

[sideshowbob]

I'm considering commuting to work next year. Its 25 miles each way with a few big hills. Thats a good 1.5 hrs of pedaling.
Anyway, i'm looking for a way to ease in my commute. Any comment on the NuVinci kit? Or would the chain drive kit be enough? I'm looking for top end speed!
http://stores.ebay.com/Bicycle-Scooter-Engine-Motor-Sales
Whats the website of the electric hub company? I'm sure the place i work at will let me charge up my batteries.

 

[velo711]

Try, "Bion X". It's hub driven, with lithium ion battery, up to 350 watts of power.

 

[sideshowbob]

Thats rather expensive. I'm sure its worth it for the right person. Any comments on that engine kit i listed above? Is the Nu vini worth the extra money? I'm looking the easiest commute. I have a couple big hills and i also need top speed to reduce my commute time.
Also looking to reduce the fatege in my hands. The vibration from the handlebars is intence. Would a carbin fiber fork help? I'm running 559/1.50 kenda - kwest