I think we're similar... or maybe I just didn't have a need to have everything avaiable to me whole time.
I own (now about 6 years old) SE Satio... and I use it for phone calling (*GASP*), texting friends (I get free SMS for 30 days each time I buy a new coupon or whatever it's called) and music listening. Granted, Satio has Symbian OS and there's no support for it anymore, but still... that's all I'm using it for.
I also took my dad's completely unused ASUS tablet for myself... and transformed it into a virtual book shelf XD Yeah, having it is convenient - I like that I can bring college-related PDFs etc. with me wherever I go, but apart from that... I have no real use for it. I don't play games on it (with exception of one) as all those games do not interest me (and I despise touch-screen for controls in games), but I love to read while I'm waiting or commuting (I've read about 10 Toaru Majutsu no Index novels in the last month using tablet). Everything else I rather do at home, on my desktop PC, or if I really need to do it away from home I bring my laptop.
So... I think people (including myself) don't appreciate convenience mobile devices bring until they have to use it.
P.S. I still prefer paper books. I filled half of my bookshelf with books in croatian (my native language) I like, and other half with book in english.