Have you seen this video?

http://www.youtube.com/watch?v=arQRpWcaOWw

I am preparing to mount this sensor on my omnibot - BOB. I was thinking of placement. Is there an ideal location for placement of the sensor on the omnibot? I note the DJs is up where the lcd screen used to be, but I was thinking of a little lower. Down where the tape deck used to be. What are the pros and cons of this location? I will have it mounted to a mini servo for side to side readings.