Here is a list of stuff I have for sale, send me a PM if you are interested in buying anything, I normally reply quickly.
If you just want a screen surround or a game cartridge label, then go to http://www.retrofresh.uk. Hopefully that will make it easier to get what you want.
Everything listed in this post is in stock!!
I have these black boards £3.50
I have not really mentioned other countries as you may get a better shipping price locally, but if you're interested US shipping starts at £2.
Also, the pcb's come with a drilling template sticker.

They are black with ENIG coating (I think it's electroless nickel immersion gold, or gold

direction button and power switch in transparent red (though to me it looks orange) £0.5

Button set in original colour £2.40 a set.

Gameboy silicon conductive pads £2.00 a set

I have some screen blanks as well. These are laser cut from 1mm acrylic.
£3 each

Also square ones:

Also I am offering a printing service for labels, stickers or anything, please pm for further details.
I have some speakers, the wrong size for GB, they are 36mm, for trade or cheap!

Also some NES silicon conductive pads £1.50 a set

I will update this first post, with anything I have for sale.
Cheers,
Dom.