For my use, my dream electric bike would be a small trail, equivalent to the new KTM Enduro 390R:
44 hp, 159 kg, 6700€/$6000.
Range of this bike with 9 liters tank is probably about 200 km (ofc depending on terrain).
One day out for me is about 200 km, including road sections, I could live with 160 km (100 miles) range. Slap an additional battery on the Varg EX, beef up frame and suspensions, add an
onboard charger of course, I think it would be technically doable to get about this 160 kg, 14 kWh, 40-60 hp road legal trail bike. Maybe 100-120 km range... 160 km range should be achievable in a few years.
The real problem here would be the price. Today for 6k you get a Surron, not a European 14 kWh bike with quality components and great adjustable suspensions. This bike would probably end up at or above 15k, double the price from its ICE equivalent.
So I guess in the next couple of years we might something approaching that from Stark, but packaged as an expensive and heavier adventure bike (like the Royal Enfield prototype with 2 Varg battery packs). It's a very dynamic segment where people are already paying 15-20k for all bells and whistles.
Unfortunately my "affordable road legal electric trail bike with high range" is not coming any time soon. In time price (or price difference with ICE) will go down, range will go up, hopefully I might still be riding when this bike will come to market!