Hi im Chris from Middlesbrough in the UK. I was looking for last minute advice yesterday morning (30 minutes before setting off!) and found this site. I didn't have enough time to read through everything but I am quite glad I found it. Will be useful for other certs.
I booked the 270 test a week ago. I really under estimated this exam, at first I did a practice test and scored 500/1000 and it was alot harder than expected. Spent the last week studying very hard (luckily I was off work).
Anyway I passed 70-270, took 50 minutes and scored 921/1000.
I passed the 290 last year so only 2 more exams until MCSA

Got 291 to do and I did the course for 228 (SQL) in December so I think im going to choose that as the optional exam.
Chris