Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: What's the difference between ME400C-C2 and ME400C-C1?
Document: I was really looking forward to this Asus ME400C-C2 Windows 8 tablet. It arrived quickly and was nicely packaged. It is a very attractive tablet, slightly bigger than an iPad but lighter in weight than the iPad. Unfortunately it turned out to be disappointing on a number of levels:-the touch screen did not always respond whether using one's finger or a stylus, or the response was delayed-when it was doing updates you frequently had no idea if it was working or not, downloading or not.
Based on reviews I had read of the ME400C-C1 I was cautious to try and not interfere with an ongoing download, but with no indication as to whether it was successfully downloading or not, that is hard to comply with. This is particularly frustrating when you are doing the initial machine updates fresh out of the box.-downloads were painfully slow in spite of a very fast connection-the set up font is very small and you can not adjust its size until after fully setting up the machine.
I've been waiting for a full windows 8 tablet at a reasonable price and have found it here. The ASUS Vivotab Smart Black Office 2013 H&S ME400C-C2-BK 10.1-Inch 64GB works perfectly for me, as I love windows 8. It does lag at times compared to my laptop but I have learned to be patient. If your looking for a windows 8 tablet this may be perfect for you; by the way it comes with office 2013.
I absolutely loved this tablet, HOWEVER beware...After having this tablet you need to check my tablet was not the C2, it instead was the C1! I had no idea about this fact until I started looking to replace mine after dropping the first tablet.I strongly advice you to check the information on your tablet! DO NOT LET THEM SELL YOU THE WRONG ITEM.
Get the cheap Moko one if you just want a cover/case.MoKo Ultra Slim Lightweight Smart-shell Stand Case for ASUS VivoTab Smart ME400 ME400C 10.1 inch Windows 8 tablet, BLACK (with Auto Wake/Sleep Function)
It said &#34;must install the latest version before you can use it&#34;. So I hit update and it won't update just like the rest of the programs. At this point the frustration was growing. I searched and searched and still have not been able to fix it. I don't know if this problem exists in all the ASUS ME400C tablets, but it happened to me.
I absolutely LOVE this PC!! You can't really refer to it as a tablet because it is identical to my Laptop in everyway!! It is small, lightweight and using a Bluetooth keyboard and a Bluetooth mouse, I can now work on this with the same speed and ease that I do my Laptop and desktops!It comes with an Intel processor which is so fast that I have yet to be able to distinguish a difference!
This is nothing short of an amazing device. This combines an iPad with all the functionality of a laptop. I'm working remotely with a link to work desktop and files. Flawless and no real speed difference. I read reviews and studied the landscape for months. this tablet fits every need. Do look into the sleeve and keyboard. It is a good investment. Love this thing! !
The Asus Vivotab Smart is a great idea,....on paper. I can't fault Asus on this one as much as I fault Microsoft. I applaud Microsoft for their forward method of thinking with Windows 8, it just needs A LOT of work and time to mature.What's the main problem?Lets start with touch optimization. When it comes to Windows there are FAR too many applications and programs that require a mouse and keyboard to navigate through and operate comfortably.
wouldnt hurt to have more ram or faster cpu of course, but for what i paid, i am happy enough. super happy with hdmi port to my tv.,works nicely and,looks great. going to give my printer a try tomorrow. hope it works so i can make this a good extra to my laptop. screen is plenty sharp for reading for a while, just take regular breaks.buttons on the desktop portion are really small when in tablet mode, (no mouse etc.)
Answer: Like the others, I'm not sure either.  I posed that question to an Asus rep on a chat session and he said they were identical, including the bundled Office.  I bought a C2 version to test for compatibility with some online content, then bought quite a few more for our college after the tablet passed the test.  The others were the C1 version and they had Office too with the same warranty.  Packaging and included accessories also appeared the same.  As the others have pointed out, there seemed to be a price difference at the retail level, but what did the extra price pay for?In any case, so far they seem to be a great value - either version.