Shopping

Local Stores
Electronic Components

• 269 Electronics -269 Canal Street (just east of broadway) 212.625.0405
• Radio Shack

Hardware

• 24 Hour!!- HomeFront - 202 29th Street at 3rd Avenue (212) 545-1447
• Home Depot - 23rd Street between 5th Ave & 6th Ave
• Ace Hardware - 125 3rd St btwn MacDougal & 6th Ave (212)777-1500

Art Supplies

• The Complete Sculptor - Awesome sculpture supply store with very helpful staff

Industrial Supplies

• Grainger 150 Varick St. New York, NY 10013-1218 Phone: (212) 629-5660

Hobby
I found these Hobby stores on Google, but have not been to any of them

• Jan's Hobby Shop - 1435 Lexington Ave, New York, NY (212) 987-4765
• Manhattan Train & Hobby - 14 W 45th St, New York, NY (212) 840-8700
• America's Hobby Center Inc - 263 W 30th St, New York, NY (212) 244-0525
• Stuyvesant Trains & Hobb - 345 W 14th St, New York, NY (212) 254-5200

Other

• T&T Plastic Land - 315 Church St.
• Guitar Center 25 W. 14th St. Phone: 212-463-7500 - someone told me they have knobs for potentiometers

Online Sources

• http://www.sparkfun.com - awesome pcomp resource!
• http://www.allelectronics.com - definitely order the catalog!
• http://www.digikey.com - best web interface of the electronic components distributors (also order the heavy catalog if you want)
• http://www.jameco.com - easiest, lightest catalog to deal with - worst web interface. Definitely order the catalog
• http://www.mouser.com - order the catalog, but it's heavy
• http://www.mcmaster.com - the ultimate!
• Grainger - industrial supplies, insists that you be a company in order to purchase
• Reynolds Electronics - lots of RF and IR parts and sensors