N.I.
We have been doing one of my boys' b-day parties @ Chuck E. Cheese! he loved them. Actually his 3rd one was back in Dec and he had so much fun. Friday I think its cheaper, find out. I did it online the reservation...no problems! There is one in Altamonte Springs actually next i think of Congo River! What I did was brought goodie bags (simple) and a cake that my friend did. Also, if you have a membership w/Sams, BJS or any other you can get a cake like for 30 people for like $20. This last time I had I think 8 kids paid and ordered I think 3 pizzas (for adults) and drinks extra and in total was like $120 including the $30 you have to leave as a deposit when do it online.
There the people where extra nice, discounted lots of things, and I brought coupons I got online and it included lots of coins for everyone to play. The birthday is 90 minutes you don't have to do anything and afterwards they all went to play. Just to let you know in my case the days I wanted both years were full in the one in Altamonte Springs so I did it in Waterford Lakes in East Orlando.
Whatever you do, I hope your son has lots of fun!!!