I have a ROku with netflix and Hulu plus, and I dropped cable entirely. It has a UFC channel for my streaming of the fights live, same cost though. Then add amazon for any other on demand viewing, and the only thing I miss is my local news. Now I am stuck with national broadcasts, and have to go old school newspaper for my local stuff. The main thing I like about the roku is how quick it is vs the Wii, my BR player, or the PS3. This is in turning it on, starting to play, and moving between menus.
Other than that, I don't miss it at all. It did annoy me about netflix starting to charge for their streaming now though, but I hope it will allow them to afford more new releases than just the ones Starz can get. (which is about 10 percent, if that of recent movies)