ORIGINAL: RCKen
While rounded stock and make things a bit easier, it's not difficult to simply carve and sand the leading edge to the shape that you need. I've done this on more planes than I can count and it's really not a big deal. You can shape and sand the leading edge of a wing in less than 30 minutes.
Ken
Yes it is very easy and tower hobbies has a [link=http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXK325&P=7]Multi Sander[/link] to help make the leading edge perfect.