sjleworthy said:
Be warned, iOS is a very different way of working than ms windows. Very different.
As true as this is and I don't want you to be put under the impression that they're at all alike but what I'm saying, because they're not; iOS is pretty simplistic when it comes down to it. There are features that you might not understand but chances are you won't need them. In the end, providing you read the manual that comes with your iPad (can also be found very easily on the iBooks app and the apple website) you will be fine (I'm very familiar with iOS and I still read it just in case), plus, we're more than happy to help you get you over any hurdles you might get stuck on
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On the point of your question about the iPad interacting nicely with your wifi and printer I can almost 100% garuntee that your iPad will be okay with your wifi. Something I can't be quite so sure about if whether you can print from your iPad. The iPad can only print from AirPrint enabled printers which means If you don't have one, you'll need to find some workaround (such as emailing it to your computer and printing that way). Unfortunatly AirPrint isn't always reliable, it only works on my iPad about 30% of the time, however, I'm fortunate to own a printer with an eprint functionality which means that I can email anything I need to a unique email that came with my printer (it can be changed to something memorable) and thus I get around it that way.
Best of luck with buying your iPad and I hope I've helped.
EDIT: Just thought I'd give you the link to an exhaustive list of AirPrint compatible printers:
http://support.apple.com/kb/ht4356
Sent via iPF from my iPad.