Google and Yahoo Add to Calendar Html Helpers for Asp.net MVC

I’ve been working on implementing some iCal functionality for the my gig guide website – Gigpig so users could easily add concert dates to their calendars. This works fine and dandy if you have some desktop program to handle iCal files. I have however been informed that the cool kids roll with Google Calendar (and some strange people with Yahoo?!). I dug around a bit and found you can easily