£400 is penlty for a nice system, and LOADS if you buy secondhand.
Source unit.. 150
4 channel amp... 100
Comps... 75
Sub... 75
I'm on mobile at the moment, can someone check if you can at least view the classiffieds on Talkaudio without an account? As that is a great place to look for great kit at great money...
My Seas sub was from a TA ad, it was never used by the first owner. RRP £500 Picked it up for 80!
I'm already registered over there

Taken a peek, doesn't seem to be much to be honest. I'll keep an eye out.
What do you think the minimum I could do it at a reasonable standard for would be? Thinking along the lines of the less I spend on ICE the more I have to get other things I'd like done, like the seats re-covered.