It may provide benefits down the road, but so far I hate it.
If you type a post that's larger than the initial text field, the characters drop just below the bottom edge of the field and start flickering. You can't see what you're typing. You have to scroll down to see what you typed, and then edit if you messed up. As soon as you try typing to edit, the chacters drop below the edge of the frame again.
Total PITA.
Seems to be fixed, on my side at least.
