I'm coming from Phonegap and targeting iOS. I'm working thru the xamarin.ios samples and it appears I can't get far without a mac on my LAN. I was wondering if there were "Cloud Macs" that I could just buy time on to compile my iOS samples. If I have to buy a Mac, I guess that's the breaks, but one of the great things about PhoneGap is PhoneGap Build that allows you to build in the cloud. Is there an equivalent for Xamarin?