Just wanted to let you guys know that Slingplayer mobile on the iphone 4 runs pretty good. It seems a bit faster with my Pro-HD box. One great thing is that the speakers on the iphone are about 20-25% louder which is great.
Bad news is that Sling needs to update their app to take advantage of the great display on the iPhone 4. When watching a game on MLB At Bat you can see text displayed during the broadcast nice and clear, however, when watching the same game on the slingplayer mobile, that text is unreadable. I even have my settings on HD.
So other than the poor video feed, I think everything is looking nice on the iPhone 4.