The Devium Dash Kickstarter project is a replacement stereo system for your car with one big difference. Its brain is your iPhone 4 or iPhone 4S. This unique in car audio system is currently gaining a lot of interest on Kickstarter for good reason.
The Motorola MOTOROKR S305 Bluetooth Stereo Headphones [$49.95 - iMore Store link] for iPhone 3GS and iPhone 3G are great for enjoying your music on the go. Whether you're on your daily jog or spending some time in the gym, these headphones are the perfect fit that will not hurt your wallet.