well, one of the reasons:
he decided to treat himself to a present yesterday--honestly, he NEVER gets himself anything, especially not something for fun. anyway, he got himself one of those playstation portables. the best part? when he was describing it to me (i've never seen one), he said, "it's pretty small--about the size of a TI-82." hee! our family did love those graphing calculators--what a great point of reference.