Seymour Duncan pickups are around £60
They are on
http://www.gak.co.uk if you want to be more specific.
http://cgi.ebay.co.uk/MIGHTY-MITE-Jacks ... dZViewItem
There's a Jackson style neck, the only place I know you can get them is ebay. That one converts to £50.74.
http://cgi.ebay.co.uk/Fender-Stratocast ... dZViewItem
That's a fender style wang bar, £45. Left handed though but still, it gives you an idea of the price.
http://cgi.ebay.co.uk/NEW-Gold-vintage- ... dZViewItem
That's one of those hideous Bigsby style trems, £69.61.
http://cgi.ebay.co.uk/WILKINSON-TREMOLO ... dZViewItem
A Wilkinson tremolo, £59
http://cgi.ebay.co.uk/floyd-rose-low-pr ... dZViewItem
And a floyd rose, £109.99
Sorry for all of that but I dunno what kind you're looking for.
I don't know what paints are used on guitars.
Some string brands are, GHS-£3.99, Rotosound-£5.95. I don't know the bass prices, they're really expensive.
That's cool that you're doing custom guitar, in D.T I'm making a super custom..............drum stick holder... ahh well, the thought of anything guitar related didn't come into my head at the time.