Thanks to all of you regular posters on this forum. I spent last winter reading threads and learning more about tandems so I could make an informed decision. I made a personal commitment to post a thank you with pictures when we got a new bike, so you all could see how your knowledge has benefited others.
Our previous bike was a Trek T1000 that treated us well. We have about 1000 miles on the daVinci since we got it in May and we can not believe what a wonderful bike it is. The bike weighs 33 pounds with the heavier saddles, cages, pedals, bag and computers. The only non-standard spec on the bike are 12, 18,21,26 (=24,36,42,52) chain rings and a 12-23 cassette to bunch up the gears.
I plan to assemble my thought on the daVinci ICS and post them at a later date.