I've been toying with the idea of getting a Slingbox for my MacBook Pro. My room is set up such that my desk faces one wall, and my TV is to my back. I can't really reorganize my room due to space constraints. While doing work, I think it would be nice to have my TV playing in the upper right corner of my MBP's screen. Does the slingbox work well? How much system resources does it take??? Will is turn my MBP into a sluggish heat generator??? Which one is good to buy?