For anybody remotely interested in recording guitars (electric or acoustic) I would recommend a visit to WH Smith to buy (or browse if you're financially challenged :() MusiTech Focus Guitar Tech magazine,
It seems suitable for beginers up to more serious users and covers amongst other things miking techniques, computers, audio interfaces, personal multitrack recorders, modellers, DAWs, effects. There is a useful section on mixing guitars with suggestions on which frequencies to EQ to achieve a balanced mix. All in all a very good read !