There is a new Asus tablet coming out very soon that has 1920x1200 screen resolution. Which at the sizes tablets are at, you won't really notice that much of a difference if at all. You will be fine even if you had the original Transformer, Transformer Prime, or original iPad resolution and screen size to be perfectly honest. Nice, but not a necessity.
If you like the Asus line of Transformer tablets (and why not, they are awesome!) then that is a good one to wait for.
Much better than the iPad (3) in my opinion.
Not to mention the micro sd slot on the tablet, and a full SD slot on the keyboard plus fully functional USB slots (i.e. can plug in a game controller, full external Hard Drive and have them function as expected) with improved battery life with the keyboard dock.
Yes, I am just waiting for our house to sell then I will be definitely picking up one of those bad boys.
Also, give these comparisons a read for full in depth coverage of the actual differences so that you can make a more informed decision for your wants and needs on this issue.
iPad 3rd gen vs Asus Transformer Pad Infinity 700 - trustedreviews.com
Asus Transformer Pad Infinity 700 vs Apple iPad 3rd gen - androidauthority.com
New iPad competition specs - engadget.com
iPad vs Asus Transformer Infinity vs Blackberry Playbook - imore.com
In my mind, this quote from the iMore article (a website dedicated to all things Apple/iOS) puts it quite well:
If you want simplicity over flexibility, go iPad. If you want flexibility over simplicity, go with the Asus Transformer series. The same old Android vs iOS argument thats been going on for a long time. Personally, the Android tablets are very simple to use, and very flexible. Where the iOS tablets are more simple to use, to me its not by that much. I do hope this has given you some insight so you can make the best decision though.