Originally Posted by kthung 
I would prefer not to. Not only is the processor slower, but the screen is just too small for lightroom work IMO
In fact it is still much better than the on camera display.
The biggest screen issue is the right color production. That was the main reason for me to get a Sony instead and pay some more.
Take a SD card with a couple of pictures with you to a shop and compare before you buy.
- Bert