Vita - Wi-fi only vs 3G units - which one did you choose ?

[d21lewis]

I planned on going with the Wi-Fi but none were in stock. I got the 3G BUT it came with an 8GB card. Plus, I had a friend use their 10% Wal-Mart discount. I'm tempted to sign up for the 3G just to see what it's like. I'll wait, though.