i realize this is an old post but here goes:
when i went to the dealership, the stealer asked me which package i wanted and which transmission.
My first response was "Manual plz!" since i was driving an 1991 Volvo 240 which was automatic (my first and only automatic). I didn't even know DSG existed... I guess that shows you that i'm an impulsive buyer, but anyways.
He explained to me how it worked and how it was the newest thing and will probably become the standard "tiptronic" style transmission. Still. I said, "no, gimme MT, i'm not even interested in the automatic, even though it does sound cool."
The guy was really enthusiastic about this DSG transmission so he told me, "I won't let you buy the car until you try them both"
So we took a reflex silver package 0 with MT for a ride...needless to say i was loving it, but it had been like 4-5 years since I hadn't driven a car w/ manual transmission so I was a little rusty. Then he took me for a ride in a Tornado Red package 1 w/ DSG.
I gotta say, that sht was fun as hell to drive. Down-shifting felt awesome and the sound it made when it shifted perfectly every single time was so fun to hear and feel.
I was loving it! I downshifted on I-270 from 4th to 3rd
me (w/a big smile on my face): *laugh* "I feel like I'm driving awesome!"
stealer: "you ARE... it shifts perfectly everytime! and when you hit traffic, boom" as he switches it back to auto mode
When we were about to get back to the dealership I was convinced. I wanted my new baby to have DSG, cuz it's convenient, it's fun to drive (at least from 1 test drive), it's quicker and the guy told me it's better w/ mpg. It was already 6pm so I couldn't just purchase the car right there and then. That gave me 2 days to think about DSG vs Manual.
Honestly it's a really great system, but what made me decide against it was that it's relatively new and pretty complex... I'd bet more than half the mechanic shops in the area have no idea how it works, yet.
Sorry bout the huge post, but I wanted to convey how I felt about it. Sometimes I wish I had DSG, just for the cool factor... but I'm glad I got the MT because the more moving parts and electronic stuff there is involved, the more likely it is to break. I don't know a lot about engines & transmissions, so this is merely speculation based on my background w/ engineering. Granted it's software engineering, but I like to think it's good enough to make a decent assessment.