Mate,
check out the search button and there should be a whole load of stuff, also if you look under 'in-progress and finished work' there should be alot of info. Spend some time just sifting through the info on the site and forum first and alot of your questions shall be answered, otherwise you can annoy certain members as they get asked these questions alot, and if you look its around here somewhere.
I reckon a mahogany explorer would be a great idea for a first guitar, my tips would be to try,
neck-thru design
Look at the Kent Armstrong humbuckers as they are as good as SD or dimarzio for half the price.
WD music products do some decent cheap tuners for around £30 that I find stay in tune very well, even when using a Floyd Rose bridge with no locking nut!
Rustins platic coating is a good laquer to use however I have yet to try any nitrocelulose based laquer.
any questions then feel free to pm me.
Happy building
Matt