The plaid dress I was salivating about yesterday doesn't seem too difficult to master. It looks to me that it's a standard princess seamed top above the waist. Then below the waist one side is an a-line skirt and the other is a larger overlapping bias pieces. A row of bias self-fabric fringe adorn the collar, while some of the edges of the skirt are frayed.
I have this McCall pattern in my stash already for the top part of the dress: