you didnt say what config your guitar is in right now weither it s/s/s s/s/h h/h h/s/h but thats ok.
i would through a set of missed matched gibson pickups in the ring. the 490r and 498t. there are a lot hotter pickups out there but these are what gibson actually uses on theirmid level les paul and sg. the sound great sustain very nicely and have the added 'color' that emgs dont have.
i hate guitar multi processors so id say dont buy any of them but other people have different opinions about them so you should ask them for sure.
amps for these styles is with out a doubt a tube amp. some are way more expensive then others. i hear the epiphone blues junior head/cab combo is pretty good as with the blackheart (been thinking about getting me a black heart). both are pretty cheap and are 5 watt tube amps but i would recommend trying them. vox makes a good little map for around $300 its the ac-30vtand the ac-30vtxl look em up.
as you get better and better youll learn how to make you sound better on the gear you have. for right this minute id say just fool around with your amp and try to find that sound then write down the settings so you can find it any time.
They say the END is near, but I'm Tired of waiting.