Q: iPad Air vs iPad Mini Retina

https://www.apple.com/ipad/compare/

http://reviews.cnet.com/8301-31747_7-57610252-243/ipad-air-vs-retina-ipad-mini-w hich-tablet-is-right-for-you/

http://apcmag.com/review-apple-ipad-air-vs-ipad-mini-2-with-retina-display.htm

http://www.imore.com/ipad-air-vs-retina-ipad-mini-decision

After reading those, visit an Apple Store or Apple dealer and examine the devices for yourself. You should then be able to decide which would best suit you.

Regards.

iPad Air vs. Retina iPad Mini: Which tablet is right for you?

http://reviews.cnet.com/8301-31747_7-57610252-243/ipad-air-vs-retina-ipad-mini-w hich-tablet-is-right-for-you/

16GB vs 32GB vs 64GB: Which new iPad storage capacity should you get?

http://www.imore.com/2012/03/08/16gb-32gb-64gb-ipad-capacity/

How much content will fit on my iPod or iPhone?

http://support.apple.com/kb/HT1867

How Much iPad Memory Do You Need?

http://ipad.about.com/od/iPad-Tutorials/a/How-Much-iPad-Memory-Do-You-Need.htm

 Cheers, Tom