The NOC list may or may not change ... Any advise in this direction would be guess work.
The best thing to do is ... if youre NOC is on there now and the quota is still open, go ahead and apply. Waiting might prove disastrous.
Also, there's no need to start a new thread, most answers can be found here ...http://www.canadavisa.com/canada-immigration-discussion-board/applications-after-266-in-any-noc-connect-here-to-get-the-status-t49421.0.html