Its very hard to make a pandora "just work", but this community is both very friendly, and a haunt of some
exceptionally knowledgeable people
Using a pandora, and hanging around on these forums will teach you at least 10 (ten) times as much computer-science as the average English secondary school.
If you're looking to play with emulators, the pandora often has the best implementations of emulators, and gets them before any smartphone (since they are developed for the pandora to start with) - it also has built in physical controls
There's also a keyboard, Firefox, Libreoffice and the GIMP - the pandora is a better device for creating content than any "smart" device out there.
If you are an audiophile, the the pandora's sound performance is stellar:
http://www.head-fi.org/products/open-pandora/reviews/8570
(Or a copy of the same article
here - see ekianjo's post below...)
If you're worried about freedom and privacy, then having Open-Source software and being able talk to most of the devs should be an advantage. Linux has good built-in security, and the platform is so obscure that no-one would ever write a virus targeting it. If you're really paranoid, you can eject out both SD cards and so remove all personal data from the device when not in use.
If you're a geeky sysadmin (which I gather you aren't) then the full compliment of GNU utils makes remote administration relatively simple.
Having said that, this is not a device for the faint of heart - casually browsing cat videos on youtube is fiddly, android support tentative and the case utilitarian. To quote everyone's favourite reviewer of tat-on-a-brown-sofa:
"Its the logical inverse of an iPod touch"