Go to the forums at http://www.howardchui.com. Tons of info there and you can find people & info on unlocking. If you are looking for new unlocked phones, here is a good reputable dealer.

http://www.gsmphonesource.com/index.html[/url]

On a side note; why would you want a T68i? It has the WORST RF. You may want to reconsider...