There will be thousands of places to go to purchase a local sim once you arrive. The jailbreak/unlock may be your sticking point now depending on what version of the os and baseband you're on. Double check the sticky threads in the jailbreak forum to see if your iPhone can even be unlocked at this point.
Where in Taiwan are you going? I used to live in Taichung. Fabulous country!
12-29-2010 12:41 PM