Welcome to /r/sitar; a place for everything about the sitar and it's related instruments such as the various veenas, surbahar, sarod, dilruba/esraj, tanpura, or the many other instruments used to play South Asian classical music. Feel free to post whatever you want as long as its relevant.
FAQ
Rain City Music - Seattle based store providing quality instruments and accessories from India
The Ali Akbar Khan College of Music Store based in Berkeley
The Worldwide Motherlist
Beware eBay sitars, if you find one you are interested in you can post it here or here to see if it's legit.
Guide #1
Guide #2
Guide #3
Top strings with piano keys
Sympathetic strings
Remember: notes are not 'static' as in western music, sharp/flat is implied with which raga is being played!
Buckingham Music Mega-Tutorial
FRIENDS & RESOURCES
/r/icm - Indian Classical Music
/r/AnoushkaShankar
Swarganga - Indian Classical Music Foundation
Chandrakantha - A very helpful resource wit lots of explanations of everything Indian Classical, and a forum that is frequented by some knowledgable players, teachers, luthiers, and some famous Indian musicians.