Great write-up, thanks for the details.
Brakes squeaking -- please advise
NO
Squeaking parking brake handle
NO
Vertical "water" streaks in rear view mirror visible when light shines on glass.(streaks are behind the glass)
Wow, I applaud your anal-retentiveness ! 
Rattle noise from passenger side cabtop
YES, just noticed that the other day with all this top-up driving we've had to do lately
Rattle noise from driver side cabtop
NO
Customer states: When playing CDs radio will say "STOP". Also noted that when trying to change tracks ie. from track 6 to 5 radio will go back to track 1
YES the CD player on these things is a confirmed kill
Rattle coming from rear of vehicle at engine speeds on 2100 RPMs only when vehicle is cold
YES, but went away for me
Exterior trim at both a-pillars are discolored
Mine seem OK
W566 service action - adding convertible top emergency tool to the vehicle tool kit
What the hell is this? a penknife?
Check headlight adjustment (see Sean)
N/A