I took advantage of that refurb sale as well and agree (thanks for the heads up!! Been waiting for the price to be right for a while now ;D )
I've only had the chance to shoot in my living quarters but I have to say 11mm makes rooms look HUGE. I almost feel as if 14mm-16mm provides more of a natural perspective for larger areas. But 11mm will be great for those tight spaces and closets...
Now for a nice enough day to see how it does outside