Here are Holderread silkies. Similar feather type to silkie chickens, but less dramatically odd appearance:
http://holderreadfarm.com/photogallery/silkies_page/silkies_page.htm
Sure! But I hope I didn't talk you out of the harlies & the Saxonies. People who have them REALLY love them--I only didn't mention them because I figured you were already sold on them. Honestly, anything you buy from Holderread is going to be wonderful. Harlequins are great layers, I've heard...
Sorry--I can't help with the heat thing, as I don't know much about silkies (also, I don't see where you're from--what kind of climate do you have?). But I can suggest some other breeds I think are cool!
Magpies are gorgeous, and great egg layers.
Lots of people love Dutch Hookbills--they're...