You can pick them up for about 4-500 bucks on eBay. MUCH easier than using a computer, a microphone and an amp.
I know because that is where I started !
Also check out www.korgstudios.com.
They are a great bunch and not only very knowledgeable but also very helpful.
My instructors page and www.studiotrax.net for all things recording.
my toons Brought to you by Dr BadGAS
my toons Brought to you by Dr BadGAS