Ok the options he suggested was Option1: Rockford Fosgate Prime 6.5" Compos - 6k Rockford Fosgate Prime 5.25" Co-ax - 3k Cerwin Vega HED600.4 4 channel amp - 8.5k Rockford Fosgate Prime 12" Sub - 4.2k Wiring - 3k Blaupunkt Harness - 650 Door Damping 4 doors - 1000 (He suggested Linea is well damped and it doesn't need Dynamat and all. He had also done this previously for some other Lineas). MDF Sub Box - 1.4k Labour - 550 Option 2: Cerwin Vega HED 6.5" Compos - 6.4k Cerwin Vega HED 5.25" Co-ax - 3.2k Cerwin Vega HED600.4 4 channel amp - 8.5k Cerwin Vega HED124 12" Sub - 4.5k Other Cost - same as above. Option 3: ARC Audio KS 6.5" Compos - 8.5k Cerwin Vega HED 5.25" Co-ax - 3.2k Cerwin Vega HED600.4 4 channel amp - 8.5k Diamond Audio D1 12" Sub - 6k Other Cost - same as above I have not heard abput cerwin vega brand. ANy reviews/opinons. He was repeatedly telling me that Linea stock HU is very bad and after retaining that the best we can get is 70% better than present with the above mentioned options.