For years I wouldn't even consider a longbow under 60". My first SSD was a 60" bow and it shot wonderful even at my relatively short draw length of 26 1/2 inches. I always felt that I would give up stability if I went with a bow any shorter than 60". Fast forward to this past December.....
I great friend of mine by the name of Billy Shipp sent me a gift on Christmas Eve. In the box was his 58" SSD Limited. Yes, I am still blown away by his kindness! Since Christmas I've been shooting the 58" bow and I'm "hooked"! The bow is as smooth and as stable as my 60" bow. It's right around 6 fps slower but than again it's a good 8 pounds lighter!
I personally don't think I'd go any shorter than 58" but again that's a "personal mind block" I've got going. For me 58" works well in a tree, ground blind or sneaking through the woods. The perfect bow....
I love my new 58 incher. As for my old 60 incher...I ended up selling the bow to someone stronger with better shoulders (57@26)....the darn bow just seemed to gain a few pounds in draw weight as I gained a few years in age
That's just my little hint for any lefties looking to sell one!
Good luck!