Ok, so far my shopping list is looking like this:
Headunit
http://www.halfords.com/technology/car-audio/car-stereos/sony-wx-900bt-double-din-car-stereo?cm_mmc=Google+PLA-_-Car+Audio-_-Car+Stereos-_-216744&_$ja=tsid:60494%7Ccgn:GoogleShopping%7Ckw:216744&istCompanyId=b8708c57-7a02-4cf6-b2c0-dc36b54a327e&istItemId=appmwmaqi&istBid=tztr&_$ja=tsid:35522|cid:344534764|agid:24344212204|tid:aud-80976661549:pla-230455401364|crid:83789081524|nw:g|rnd:10612550243515979711|dvc:c|adp:1o3&gclid=CKCsxpmp_9MCFVdAGwodNI4LYQ
Fascia, steering controls
https://incartec.co.uk/Pages/Product.aspx?P=4482
Patch lead
https://incartec.co.uk/Pages/Product.aspx?P=2643
Reading other posts it seems there's not much point in upgrading the rear speakers unless you're after a high end setup. But, doing the fronts can make a difference, so... can anyone recommend any 6.5" front speakers that will be noticeably better than the Bose ones? Although I can spend up to £100, I don't really know if I will benefit spending at my top end. E.g. is there really much between these two:
https://www.caraudiocentre.co.uk/product_m-sony-xs-gs1621_p-40029.htm
https://www.caraudiocentre.co.uk/product_m-in-phase-xtc17-2_p-32104.htm
Sorry.. I've not done much on the audio side before. Thoughts?