For the time being, I have vintage enabled but if it came down to HotSpots vs Vintage, I would disable Vintage in a heartbeat.
In concern to the digraphs vs easyMotion's technique, I prefer easyMotion's method. Until there is an easier way to implement it though, it's no big deal to go with digraphs. My only concern with the digraphs is how it handles multiples of the same word.
If I had:
Two of the digraphs would have to be the same, right?
Anyway, I appreciate your effort and can't wait to see how it turns out.
I'll see if I can think of a better workaround to implement easymotion's concept... Perhaps something with /*comments*/