Hi there, been following the Mark on this forum since I purchased a unit. To help with your question about PDO look here:
http://qualex.ca/homeowners/mark-homeowners/
This is what they updated on the homeowner site (URL above)
ESTIMATED PRE DELIVERY ORIENTATION SCHEDULE
Level 10 to 13 Last Week of March
Level 14,15,18,20 First Week of April
Level 21 to 26 Second Week of April
Level 27 to 33 Third Week of April
Level 16,17,19,24 Last Week of April
Level 28,3,4,5,6 First Week of May
Level 7 to 9 Second Week of May
**You will be notified via email of your actual PDO date and time. Please note that the PDO schedule is not a Closing (or PI) schedule**