Question is: how many people would type in Hostirian.tel in the browser address bar before they try Hostirian.com? And would that someone be worthy to pursue?

The BIGGEST advantage of a .tel extension, as I see it, is its ability to be totally integrated with mobile devices such as iPhone. You can simply direct to .tel page and be connected to anyone through any mean. Not sure if there is an ability to sync contacts to keep the latest info up to date, but there are certainly benefits of such domain.