Thought I'd post this forum to provide a common place for 1000+ km reports...
My own XM-3000 story has been a positive one. I received the bike in early July, and immediately created tickets for shipping damage and a broken charger. I had received one of the last 50-series Batt-EQ's a week before, and immediately installed it. I've been commuting to work on it since mid-July (3-4 days/week, 10 miles round trip, no mid-day charging), and now am approaching 1100 km (with 10% overage, that's close enough to 1000 km). My biggest challenge has been the last mile before returning to my house: ~17% grade. The bike slows to about 7-8 mph on the hill, but I still have ~40% battery remaining when I get home (judged by how far the needle dips down into the yellow range).
I finally wicked some solder onto the controller shunts to increase current--what a difference! I can now speed up the hill at 15+ mph, which is great. It accelerates like a rocket at stoplights. The only downside, of course, is I'm draining the batteries more, and dipping into the red zone on my return home. No cutout yet, though.
I've been quite pleased overall--makes commuting much more fun, and gas savings is a big plus. I won't be riding it in the rain, but I expect to use it during our california winter. Hope to change to LI batteries next year sometime, if there's a BattEQ option.