Okay, thanks for the help guys!
I'm liking the FLI SWAT 5 headunit, http://www.caraudiodirect.co.uk/swat-pack-super-saver-p-7103.html
and I'd say the http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_504691_langId_-1_categoryId_165748 sub...
Oh...