Wow old thread you bumped there, alfisto! But wait for others in this forum who know way more than I do about these entry level bikes. I know your commuting route well as I used to have an office on Ditmas Avenue and E4th, right under he Dentist on that corner.
On the thread topic, if you guys are still riding, I would definitely be interested in riding with you guys. BUT, I am not sure I can keep up with 16 to 20 miles per hour as a steady pace for long rides. Never tried, though, so I am not sure I am an idea riding partner for guys and gals at your level.