This week I installed a BBSHD kit from Luna on my Ghost Speedline 3. It works perfectly. I couldn't be happier. The hills are basically gone now. I'm using Karl's Secret Sauce programming and am running a 42t chainring in the front with a 11-28 cassette in the rear. Those ratios seem about right. I can still climb the steep slopes around Seattle and get a top speed of 35. I'll be commuting on this a lot more now. This eBike thing is pretty cool. Here are some pics:
https://goo.gl/photos/n4s7bYb7wtP7oYnTA
https://goo.gl/photos/n4s7bYb7wtP7oYnTA