According to Jeremy Horwitz of iLounge the iPad 5 is going to be considerably smaller in all dimensions with "mini curves". In addition to this, he says that the consensus is that the iPad 5 will be released in March.
Here are the links to the tweets:
Tweet #1: Click here
Tweet #2: Click here
Tweet #3: Click here
Here are the links to the tweets:
Tweet #1: Click here
Tweet #2: Click here
Tweet #3: Click here