Well, if you want the prettiest, they are the most money. That would be Vivid Reptiles out of Texas. They have spent years developing their Baird's into the shimmering metallic beauties you see. Other breeders include Hawkeye Herps (I've posted in that thread, too), Lost World Reptiles, VMS Herps, Draybar's Snakes, JDTails.com, CCCorns (Hurley and Serpwidgets) will be producing some this year and I will be producing some hypo and het hypo Baird's this summer, too, and maybe some corn/Baird's crosses. The hypo and het hypo will be pricey, $150 to $300/350 and I'll be keeping most back for this year.
I happen to think all Baird's are beautiful. This time last year I could hardly find a breeder, now they are becoming more popular. I see all different looks in them, from light to dark, orange to purple, matte to gloss. You just have to shop around.
I hope you find what you're looking for.