This tiny hardware apprently unlocks your iPhone 3G, and its makers, USB Fever, just started taking pre-orders for this super thin iPhone hardware unlock tool that attaches to your SIM card. I must warn you though that it requires you to cut a small portion of your SIM Card for it to work, you should be careful because it something goes wrong, I doubt that it will be covered by you warranty. So if you are up for the challenge, it will supposedly start shipping on August 20 for $35.

Here are some info about this product. from their website USB Fever

Highlights:
With this card, you can unlock your iPhone 3G

Features:
This SIM unlock is made of a very thin piece of FPC (0.10mm) with a Microcontroller mounted on, that goes between your Operator’s SIM card & the phone’s SIM socket.

Because of it’s very thin & slim design it fits into almost all phone’s on the market and can also be easily removed again. It’s got Gold Immersion and makes perfect contact with the card and the socket at ALL times.

Cutting of your Operator’s SIM card is required but kept to a minimum.

This SIM unlock  is a revolutionary do-it-yourself Plug & Play card for unlocking iPhone 3G without the risk of damaging the iPhone 3G or voiding it’s warranty.

This SIM unlock is inserted into the iPhone 3G in parallel with your Operator’s SIM card and enables you to use your card on phones locked to another provider..

No more Test-Point. No more opening phones.. No more waiting for logs.. No more Server delays & errors.. No more Cracks & illegal hackings.. No more damaged phones.. No more lost warranty because of phone modifications..

Applications:
- Attach this card to your SIM Card to unlock your iPhone 3G

Package Contents:
- iPhone 3G unlock Card x 1

Packaging:
- Color box

Note:
- Firmware 2.0
- Shipment will start on 20 Aug. 2008.
- No Office accessory or SIM card will be included.
- This is to unlock iPhone 3G only.