Convection steam oven options that work best for bread?
I've experimented with steaming my own oven and it worked okay but I am looking at getting a new oven and want one that can steam my bread just right.
*Gaggenau Combination Steam and Convection Oven: http://www.gaggenau.com/US_en/products/product-detail.do?contentId=78b1160b-a568-4f52-8a4c-147fba99c97a 
*Miele DG 4086 Steam Oven: http://www.mieleusa.com/usa/cooking/steam-oven/product.asp?cat=3&subcat=19&model=637&series=63&nav=&snav=&tnav=&oT=192&menu_id=11&active=Our%20Product... 
*Subzero-wolf: http://www.subzero-wolf.com/oven/steam-oven 
*kitchenaid: http://www.kitchenaid.com/flash.cmd?/#/product/KEBU107SSS/ 
I want an oven that will steam my bread for 15 minutes and quit, or so I can control the amount of steam and the time frame. I am a pescetarian, so roasting meats is not really what I am looking for. But I do want to be able to use it as an oven also. Bonus points for being the most energy efficient. Which one will work best or not at all? Do you have experience with any of these ovens?