Everyone's needs are different; here's my two cents'
I agree, I recently traveled around Europe for about a week and had loaded my iPad up with offline guides to get around but even though I had my iPad with me most of the time I found it too awkward to use when out & about and also a personal security issue. I ended up trying to find open wifi hot spots (Mcdonalds is your friend) and use my iPhone in airplane mode with wifi switched on to get around via google maps.
I agree it is necessary to travel with some technology but I have gone overboard myself in the past with taking too many gadgets that either resulted in me wasting too much time playing with them or them just collecting dust and adding unnecessary weight to my luggage.
Jaseone, as much as I respect your opinion and grasp what you're alluding to, surely, this is just YOUR experience, no? I read what you said earlier about "don't go to a foreign country with the intent of being a forever alone, take what you need to keep in contact, to chronicle your journey" and "they are focused on bringing every possible piece of gadgetry with them instead of embracing the foreign country" and thought to myself that while this advice might be good for some persons, it all depends on a person's personality type.
He didn't make it quite clear what his goals or desires were for the time to be spent in China, other than that he would be studying and visiting some other places so one cannot be too judgemental about the fact that he wants to take the right devices to "help" him enjoy his experience. After all, it may be better to have all you might need and realise after you didn't need it all than to have less than you need only to realise you needed more. Again, it all depends on the experience the individual wants and things he needs to do.
To DigitalNinja201 though, I'd say that while a MBP or even MBA would be a nice thing to have, they may be an unnecessary expense. Personally, I'd stick with the Lenovo because as much as I love my MBP, you may find there are things you want to do in Windows whilst you're in China without having to borrow someone's PC. If you sell the Lenovo and buy a Mac, you'll have to spend the extra money on the Mac and then, if you want access to Windows, buy a Windows license and possibly VMWare or Parallels.
Instead of focusing too much on FaceTime, go with Skype as you're more likely to have contacts on that and be able to communicate with more people who don't have a Mac or iDevice. After all, you may meet someone in another province without an iDevice during your travels and want to stay in touch; you don't need a Mac for that. Save the extra money you'll spend on the Mac for the trip itself. Of course, with the Mac, you're likely to have less computer troubles during the trip than with a Windows laptop so you'll have to decide if it's worth the extra Sir Robert Bordens at this time.
I'd also ditch the iPad and just get an iPhone. That way, you'll kill two birds with one stone: you'll have a very good phone and can still do FaceTime as a backup. If you have an ultra light laptop, there's no need for an iPad unless you want a device with a fair size screen that boots quickly and is easy to hold for those times you're sitting on "the throne".
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Personally, I'd leave the Kindle at home because you can always read your Kindle books using the iPhone since there's not only a Kindle app for iPhone but also the Kindle Cloud website. Heck, sell the darn kindle and have some extra spending money.
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As for the 3DS, well, all work and no play can make you a dull Ninja so why not take that for when you need a timeout and don't feel like leaving home to go exploring with the locals.
So, IMHO, based on what you've said so far, my checklist would be:
iPhone 4 or later
Lenovo
3DS
Extra money to spend.
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