To my knowledge there are no personality or health related issues with the various morphs, so it's really up to you.
I think the snakes that are most consistantly gorgeous to me, in each general category, is:
Normals:
Okettee [Nice thick borders, I tend to see brighter colors also, lovely]
Amels:
Sunglow [bright, sunny colors, no unsightly blotches of semi-white, always gorgeous]
Anerys:
Ghost or Hurricane [I just like them better. Some ghosts are gorgeous light brown loveliness and hurricanes are beautiful]
Whatever you'd like to call the general category for aneryamels:
Butter (a lot of them are beautifulbeautiful, and they are a bit unsusual. I also like colorful snows though, or all white blizzards.)
It's up to you. (-: Whatever you do, pick a snake that you love and that you have an idea what it will look like as an adult so you can estimate if you'll love the colors then too! Try checking out the morphs subforum and look at the sticky to find what the most common morphs are, then do a site search on each one. You'll find something that strikes you, I'm sure. (-: