About Eon, it is right that the Eon has gear lever vibration. Is it a big problem? No. It is a car that looks one level above Estilo, wagonR, Alto etc because of its looks. you get enough space and features (depending on the version).
There are many options available for a 2 DIN music system for Hyundai EON in the market. You can check with a local car accessory shop to know about the options in detail. Also, you can check out some options on our online shopping portal. Please find a link below to check out the music systems http://shop.cardekho.com/car-accessories/music-systems.html