I think everyone who has ever owned a laptop has had an issue at one time or another with the laptop failing to go into deep sleep when they close the lid. I do

I think everyone who has ever owned a laptop has had an issue at one time or another with the laptop failing to go into deep sleep when they close the lid. I don't think a one-time occurrence, however unfortunate, is enough to dismiss the SP3 entirely. Now if there's a high incidence of failure to trigger deep sleep being reported among SP3 users, that might indeed be a serious problem.