I have applied as married non-accompanied because anyway my husband would take 6 months - 1yr to come to Canada.
I am on a career break since a year and cannot wait any longer. with my husband's score, my score will reduce to 428 which according to current trend will take a lot of time. If your case is similar you can apply as single applicant i feel
Well, I am already here and preparing for spouse sponsorship now (Waiting for PR card).

