Vision:W? Why not try the Zen X-fi?
As for which iPod model, I would personally go with an iPod 5.5G 80GB. You have features like Rockbox with all its lossless and graphic EQ glory; decent screen; diyMod-able
; upgradeable hard drive to either
100GB or
120GB should your heart desire; easy to repair relative the classic, fat nano and touch; it's all good. I had the iPod touch for a while, and carrying that around with my smartphone was nice until they were impossible to manage in one pocket. I eventually got an iPhone, but I know someone else who manages (for now
) with an iPod touch and BlackBerry Pearl. I stayed away from the classic because of its early firmware problems, which I'm assuming are all cleared up, but it seemed so poorly done by Apple that I stayed away altogether.
The biggest hurdle you'd have to overcome is the jailbreak community behind the iPod touch/iPhone. I've recently received my very own brand new copy of "The Art of Electronics," and one purpose of the book was to somehow consolidate electronic techniques into one reference book in response to the rapid explosion the field of electronics has seen for the last few decades. From what I've seen, despite coming much later on the scene, the jailbreak community fits right into the heart of that explosion with millions of jailbreak users and hundreds of programmers exploiting the full capabilities of such powerful devices as the iPhone/iPod touch. As aforementioned, the iPod touch can emulate PSX ROMs, and was said to be just as powerful as the Sega Dreamcast and more powerful than the Nintendo DS and Sony PSP combined. Though emulating ROMs is one thing, it's encouraging to see the community efforts in such apps as iPhysics, a game that makes full use of the iPhone's processing ability, with very different games drawing from the same engine. Now you have the App Store with a different cailbre of programming available for free or at a small cost, though I don't know that it compares to what the jailbreakers have done. I could go on for days about this, but I don't want to.
We'll just leave it at the point that jailbreaking your iPod touch will be an interesting and exciting experience.