The iPhone-dev team released a update on their blog, announcing that the new PwnageTool will be released later today. Version 2.0.2 will allow you to pwn your iPhone + iPod Touch firmware 2.0.1. However the team does warn you not to upgrade your iPhone 3G as of now as the new firmware changes the bootloader [...]

PwnageTool 2.0.1 is an excellent iPhone, iPod Touch or iPhone 3G unlocking utility for OS X.
NEW FEATURES IN THIS RELEASE
New User Interface
Step-By-Step Mode For Beginners
Spotlight File Discovery
Install 3rd Party Apps On The 3G
Does NOT Unlock 3G Baseband Yet
Much More
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