hi……… am now at the point where I want to have more levels in the car…. already available hu. blaupunkt milano mp 34 (would I like to keep) front doors rainbow slx 265 deluxe rear doors rainbow slx 230 deluxe driven by blaupunkt gta 470 (4x 70sinus) sinuslive sl-a 1500 (1.5 kw) sub is a blaupunkt velocity vw 300 in the BR housing (own construction the housing) dietz 1F cap vehicle is an opel vectra b limosine/step tail is important that I keep the original optics, so no lö cher in ski bag or hut rack, doors are of course already insulated with bitum. my budget is about 1000€ but 100€ more are now not the problem. wasm i still important, that I have no giant housing in the suitcase room and that I can still transfer at least 1/3 of the back bench. where should I start?