of all that you have mentioned ...i feel the music system and the seat covers are the ones that you require ...i dont have much info about music systems ...but about seat covers u get anything from 1.5k to 25k genuine leather ones ...
bumper protectors are also not required ..they dont help in any way
about the parcel tray ..u can go for the ones that come in the high end ...
swifts ...about the reverse sensor ..thats not required in a small car
instead you can invest on upgrading your headlites to 100/90 w with relays ..
also you can spend on a MGA car security system ..
But the most important thing that you shoudnt forget is the 3rd and 4th year extended warranty |