Yeah they do packages of guitars and amps, just go to your local guitar shop see what you like the look of and see how it feels, you don't want anything big or heavy either, something you'll be comfortable chilling with when your stoned Oh and when someone says slide guitar it's just a normal guitar played with a slide bar, you can get one for around a fiver.
Check this link out http://guitar.about.com/library/blgu...sonarchive.htm
Good luck