Check this out... issuu.com!

Check this place out: issuu.com

This place homes all sorts of magazines and publications across every topic imaginable (and yes it's free)! You can bookmark pages or issues you especially like, and you can even download entire publications.

http://issuu.com/widgetoc

I have an account and uploaded my portfolio :)
Check the site out (and friend me when you inevitably get an account)!