Hi Klassy70,
I,m not sure about itunes on Android . There are various apps that let you sync your itunes tracks with your tab, but as far as I know there's no itunes for android.
You could check out Remote for itunes (trial)
https://market.android.com/details?id=hyperfine.hftunes
or search in the Android Market for itunes. I can't help much more with this as I'm not a big itunes user.
In Android you don't install Printers like in Windows. There are various apps that let you print. Best way is to search the market for the brand of printer you have eg Epson, HP or just search "Print".
You can put in a microSD card, up to 32 Gb. You can also use the USB port for external drives, thumb drives or portable hard drives.
I have a 16Gb micro SD which I leave in my tablet and I also attach USB thumb drives or my WD Passport 500Gb hard drive whenever I need to. That's the really great thing about the USB port on this tab.
For transferring files you will need to install a File manager App.
I use File Manager HD, but there are several other good ones. I really don't know why Acer doesn't include a file manager in the stock system. My Samsung phone does.
When you plug in a USB drive it doesn't pop up a Window like windows, you have to look for it in the File manager.
In FileManager HD I go to the storage icon and then go up one level and there are folder icons for external-sd and usb-storage. You can also bookmark these for next time.
Hope that helps