Unisolar panels.....comments.....???

I have been thinking of purchasing some unisolar panels.....
they seem to be among the least expensive per watt....and
appear easiest to install....(glue to roof)

Would like to know if anyone has had any experience with them
and any comments pro or con....

thanks for your help......sno

--
Correct Scientific Terminology:
Hypothesis - a guess as to why or how something occurs
Theory - a hypothesis that has been checked by enough experiments
to be generally assumed to be true.
Law - a...

Unisolar panels.....comments.....???