External iPhone Mic Supposedly Gets 10x Better Audio ‘Reception’ – Iphone microphone – Gizmodo.

Tom Tom has a GPS unit which plugs into your iphone. It’s better than the iphone’s built in unit, so you should be able to use it in built up areas properly. It looks like it’ll work on the Touch as well.

TomTom’s GPS-Enhancing Car Adapter Should Work With The iPod Touch – TomTom – Gizmodo.

“you run the app with your earbuds plugged in, and then sit back and enjoy listening to the sweet sounds of whatever’s going on around you — only louder. The app allows you to control volume and tone, and you can also replay the last 30 seconds of what you’ve been hearing — in case you missed something particularly juicy”

Now, considering I have a set of Sure headphones I use for running and I run on streets, this is very handy: not being able to hear any traffic feels dangerous!

via SoundAMP hearing aid app for iPhone unleashed on our delicate ears.

Volume boost is a pretty sweet tweak that makes your audio louder. When you download this you don’t get any preference app, you have to enable it through Winterboard. This tweak can be found using the ModMyI source. This can be used on any firmware, which may be useful for those who have yet to upgrade to 3.0. I have downloaded this application and have noticed a BIG difference in volume.. – Ty’s Iphone Help

This gets your iphone 3GS certificate information, which is quite possibly important as Apple can use it to verify and block jailbroken iphones from updating or downgrading..

This syncs more than itunes does, such as docs, notes, voicemail, text messages, call history and much more..