I'm not defending Microsoft but I hated Windows 8 until I ran it on a tablet... then it starts to make sense. I just don't think an OS can be great and work for all types of hardware. Apple keeps it's tablet/iPhone and laptop operating systems separate.
For those who were talking about the lack of a USB port on their tablet, I'm testing a new device at work for installing medical software to our tablets. The device is a Hyperdrive IUSB. It basically takes a usb hard disk and makes it available over WiFi. I've been able to take both iPads and Android tablets and copy an SD card full of images to the hard disk. The IUSB has a rechargeable battery in it that can power he external drives. Keep in mind, that even if your Android tablet has a USB port, it probably can't power an external drive reliably. The only tablet I found that can is an older Lenovo 1838.
If you want more info:
iUSBport by HyperDrive (formerly CloudFTP)
I'm going to try to get a review of this posted on my blog in the next week or two.
Gary
m43Trek.wordpress.com