Bill, the PA3xLE is more a PA900 with 76 keys. It is misnamed! It lacks quite a few features of the PA3X and appears to be very much like the PA900.
If you don't need 76 keys, the PA900 is a much better value for the dollars.
There is a chart of features here:
http://www.korgforums.com/forum/phpBB2/viewtopic.php?t=93661