Check out that gold brocade dress at Dandelion Vintage (scroll down). The bodice has a zig-zag edge that I find playful and absolutely enchanting. It would look fabulous worn with a crinoline. Alas, it's on the small side (32 inch bust) but it's a great price.
For something completely different but oh so elegant, check out the geometric black dress, also from Dandelion Vintage (scroll down agaon). Hmmn, I may be entering a peplum period. But I love the idea of a narrow dress bumped up a notch with an interesting detail.