Product review (1 stars): Unsuitable for more than one person.
I purchased a Bosch washer (model WAS20160UC) and dryer  (model WTV76100US) set in December 2011.  This is the experience I have had with the Bosch appliances.  It is a vented dryer, not the condensation model.  This review is mostly about the dryer.

Pros:  Stylish (witch makes no difference since the dryer is so poor)

Cons:  This dryer takes very long to dry even small loads.  It  will get warm but not hot.  A Bosch technician measured the temperature of the dryer at 122 degrees Fahrenheit.  But, he informed me that this was normal for this dryer.  In one test; two bath towels, two hand towels, and one facial towel were washed in the washer and rinsed on maximum spin to remove as much of the water as possible.  It took the dryer 1hr. 20 min. to dry the load.  After many phone calls and 3 or 4 service calls, they replaced the dryer.  It performed as poorly as the first. So, I called an electrician to really find out what was going on.  With freshly washed towels in the dryer, he observed the dryer drawing 10 amps (about the maximim rating) for 15 to 20 seconds.  Then it went down to 5 amps for about about 30 seconds (he described it as half heat) then down to room temperature air coming out of the exhaust for another couple minutes.  It repeats this cycle.  At no time does the dryer actually get hot enough to remove the moisture from the load.  It mostly just uses ambiant temperature air to dry the clothes.  If touch the clothes in the middle of the load, they mearly feel slightly warm. While it is not practical for most people to use a clothes line, I think it would be just as effective as this dryer.

The thing that bugs me the most about this whole debacle is this:  Both Bosch and the appliance store had the attitude that I should just accept the poor performance because it is a European design.  I heard many excuses defending an appliance that I truly believe they KNOW does not perform as it should.

If you buy a coffee maker, do you expect it to make coffee in about 15 minutes?  If you buy a blender, do you expect it to blend what you put in it?  Well, when you buy a DRYER, you kind of expect it to actively dry.

In fairness, this washer/dryer set may be suitable for a single person who does small loads of laundry.  You can expect a small load to take 60 minutes to wash and 80 minutes to dry.  So you are right around 3.5 to 4 hours for two small loads.

Update:  The appliance store has taken back the Bosch washer and dryer.  I have replaced them with a GE unitized washer/dryer (model GTUP240EWH)  This dryer completely dried the same load in 30 minutes.

I hope this review is helpful for you.