New Mobile Phones ... Help me

Hi everyone, I hope you are fine and doing well ^___^. Today, I seek your advice and guidance. I am going to buy a new cell phone or others call it mobile phone and I search the internet for new, modern, 3G mobiles that can connect to a wireless network. So, I found many nice phones, but I don’t know which one I should buy.

Okay, I don’t care about the price, all I care about is the performance of the phone. I will list some of the phones I liked and I need your advice and experience if you ever use them. Here we go:

Nokia N97

Nokia 5530 XpressMusic

Sony Ericsson XPERIA X1

Sony Ericsson Aino

Apple iPhone 3G

Apple iPhone 3GS

So, what do you think? please advice me ^___^