That was a great course not as difficult as the others but I will miss it greatly I will treasure my keepsakes I got from there, the first course in the U.S.A. I played. :(
You could always get a gift personalised at many locations through WDW or there is the glass and crystal shop at Downtown Disney which personalises many gifts there. The other option is to take plenty of photos then buy a digital frame for him when you get home and put the memory card in it so...
Our favourite hidden Mickey is the one at Test Track, just before you go out the doors onto the main track and if you get a picture it will show the hidden mickey on the ground next to the track.
We used the EMH in the evenings a lot on our last visit over New Year and the only one we had to queue for was Soarin surprise surprise! But it was worth the wait.