For business, several times each month, I may make a 350 mile round trip between Houston and Austin, in one day - drive one way, have a meeting (at different locations) for a couple hours and then drive back. Including driving and meeting times, the trip typically takes about 9 to 10 hours, driving at Texas highway speeds (generally 70 to 75MPH). Assuming the practical range for the 85 at highway speeds is around 200 miles - then I'm about 150 miles short. If there was a supercharger on the way, I could stop and get that amount of charge in 30-45 minutes (might need to stop both directions) - which isn't too bad - and still makes the trip doable in a single day. But without a supercharger, then I'm stuck with public charging stations. According to the Tesla rep yesterday, I should only count on getting (at best) 31 miles per hour charging - which means an additional 5 hours of charging time added - which probably means overnight charging. Until there's a supercharger, then it looks like the Model S really isn't practical for taking trips of this length in a single day - and I'd have to abandon the Model S for the drives for a 2nd car, rental or flying - at least until there's a supercharger available. While the Model S has a considerably longer range than other EVs - without the superchargers, it seems like it will only be useful for day trips that are 200 to 250 miles. Since I'm new to the EV game - is there anything I'm missing that would make a 350 mile round trip practical, in a single day, without a supercharging station?