Recommended reading, luthiers, stores and resources if you play guitar.

Instructional Books/Videos
Every rock and metal guitarist should own these titles:
John Petrucci – Rock Discipline
Paul Gilbert – Intense Rock I & II
Joe Satriani – Guitar Secrets
Troy Stetina – Speed Mechanics for Lead Guitar & Metal Rhythm Guitar
Kevin Dillard – Intelli-Shred

Forums
Jemsite – for Ibanez fans, awesome guitar forum!
Harmony Central – good for buying/selling gear
Ultimate Guitar Community
The Gear Page

Custom Guitars
Cottam Guitars, UK – Ibanez setup, repairs, customization
Jaden Rose Guitars, British hand-crafted guitars
Nocturne Guitars, UK – if they’re good enough for Kevin Dillard, they’re good enough for any serious guitarist
Ibanez Rules, US – not really custom, but Rich’s Ibanez guitars are the best you can buy, period!

Online Guitar Stores
Johnny Shreadfreak, UK – cables, guitar and pedalboard accessories
Guitar Parts Worldwide – all guitar parts & hardware including bodies, necks, bridges, electronics.
Cottam Guitars, UK – Ibanez parts, DiMarzio and Bare Knuckle pickups
Jaden Rose Guitars, UK – Ibanez parts and DiMarzio pickups/accessories
Ibanez Rules, US – every Ibanez part you could possibly need
Eurotubes, US – best hand-picked valve re-tube kits I’m aware of
Hot Rox, UK – quality music products for the EU market, nice collection of valves and speakers

Technical
Ibanez Rules Tech section – how to maximize playability of Ibanez guirtars
Eurotubes – a guide and video on how to bias valve amps

Music Production
REAPER – simple yet powerful DAW, free to evaluate and costs only $60
Toontrack EZdrummer – super easy for guitarists, worth every penny
Kjaerhus Classic Plugins – truly classic VST plugins, great quality (free)
GVST Plugins – more quality VST plugins (free)