I've only had issues.
One part of my family worked for chrysler, and everyone had one- issues for vehicles were like oil changes for me. Every few months someone had one. I remember how excited a closer family member was in her brand new sebring convertible- the transmission was just terrible, clunking and aggressive shifts. I find chrysler styling appealing, but that's as far as it goes. I always advise extreme caution with a chrysler, if you've had good luck, I only hope it continues for you.
That list of costs for fixes I would not focus on, as much as the
probability of an issue. It could only take 5 minutes and $1 for a mechanic to fix my car, but if I am in the middle of Nevada driving through the desert, it doesn't matter the cost- it's the risk I am putting myself in.
Pulling the MSN list for the 2006 year shows this:
2006 Dodge Caravan Reliability - MSN Autos
Again, your decision is on you and I guess this is not a 35,000 mile journey, but I would advise significantly researching what you are interested in going with.
EDIT: Pulled 2006 to compare to the 2006 5 series.