The team from Sling Media are coming out with an iPhone application to communicate with your Sling Media player. Some pretty exciting new functions coming to you from Sling Media.
Sling Media is whole experience to access your content from any place that you have internet connection. The BETA version for blackberry has just released. It allows to control slingbox from the blackberry as well as other mobile devices like PPC smartphones, iPhones, etc. Check out http://www.slingmedia.com/ for more info.