Buyer's Guide - If you're planning on buying an iPad, you have some deciding to do. Because is the problem encountered by first-tima iPad buyers, however, is that they get overwhelmed on which version to purchase. Unlike the iPhone, there are six different versions of the iPad, ranging in price from $500 to $830.
Your first decisions is between those two fundamental differences: Wi-Fi only, or 3G plus Wi-Fi? After you decide which route to take, from
there you need to pick a storage capacity 16 GB, 32 Gb, or 64 GB.
For alot us, the decision is complicated by the fact that be already own an iPhone or iPad touch, or another smartphone , for that matter.
So let's break it down for you.
Wi-Fi or 3G?
a Wi-Fi is enough for many users, especially if your home has a wireless network alrready set up. However, those the travel a lot may want to consider having the more expensive 3G-equipped model, just in case you get stuck in a hotel or restaurant that does not have WiFi. also, the 3G model-which cost $130 more than its corresponding WiFi-only version-includes GPS. making it more reliable for traveling users.
Storage
Users who have puchased the WiFi-only model usually utilized their iPads for media consumption like movie, music, and graphic-intensive games. In that case, larger storage capacities like 32GB and 64GB are recommended, as a 16GB iPad could fill up quite quickly. Meanwhile, 3G users have the added flexibility of accessing their media files through could-based apps like Dropbox and Pandora. With that, storage is less important, unless you still insist on storing a lot of music and movies in the flash drive.
The iPhone/ iPod Touch factor
If you already own an iPhone or an iPod Touch, having an iPad may seen redundant. Some sneaky individuals may talk to you about tethering an iPhone to an iPad, but be aware that jailbreaking can void your warranty, However, iPod Touch owners may want to take the opportunity to "graduate" to an iPad 3G, as it gives the same benefits blown-up on a bigger screen, and at the same time you still do not have to cmmit to a monthly contract like you would with an iPhone.
Source: Wired.com