Today is the day online retailers try to lure you to their websites for some Christmas shopping, but is Cyber Monday truly the last chance to get a good deal between now and the 25th?Tod Marks at Consumer Reports says that like Black Friday, Cyber Monday is a marketing strategy."So, if you missed the dance, don't worry, there's going to be an encore," he advises.In its latest survey 34-percent of those asked told Consumer Reports they plan to spend some time online shopping today, even at work. Another study by price predicting website Decide.com found that 90-percent of the time online purchases costs less."And the average savings are 16%, up to 44%, savings by buying online versus offline," notes Decide.com's Mike Fridgen. That means it's still far too early to panic, with 28 shopping days to go.