i would also like suggestions on following options: 1. to retain HU one of the local dealers showed the XENOS RVM 7BTUS as it a FM transmitter cost approx RS 7000/- with rear view camera :: RVM-7BT US :: has anyone used this product and please inform about the sound quality from the fm transmitter. as this can solve our problem of retaining OEM HU+USB+AUX and additionally we get rear view camera. 2. JVC KD X50BT Digital Media Receiver KD-X50BT | Digital Media Receiver | Car Audio | JVC India price Rs6500/- approx. 3.PIONEER MVH-355BT price approx Rs6500/- MVH-355BT | 4.SONy DSX-A50bt price approx Rs6000/- please suggest as to which would be the best option and any problems if aftermkt HU is installed in Punto Active 2012. i have already upgraded the speakers by installing spare speakers of my Sony g80 music system in my car. members my patience has ran out so prompt replies will be welcomed. on the other hand if possible i would like to source an ols blaupunkt HU if possible?