A few manufacturers that make quality cables with quality components and some roll your own sources for the budget minded among us.
Best Looking $35 Interconnects Anywhere - Sound quality may be a whole 'nother story.
Coaxial, Silver Plated Copper interconnects Low Density PE dielectric and direction indicators.
This site has a lot of home theater cables including DVI/HMDI, Audio, Speaker, etc.
MCM Electronics RCAs
This site has 3.5mm interconnects as well as RCA interconnects.
Silver Plated Copper Interconnects - 0.5 meter
Dual Twisted pair 24 AWG silver plated oxygen-free copper wire, foam PE insulation, low-loss 100% spiral-wound oxygen-free copper shielding, 24K gold-plated brass connectors low profile turbine connectors - $40 a pair
This site is a supply house for professional broadcasters and has about everything.
Canare Star Quads $18 each
THX Approved Interconnects $55 - free shipping
For those of you who will only use solid silver.
.999 pure solid silver interconnects with Eichmanns or a balanced XLR version with Neutriks. Considering the connectors cost around $40 and the silver is $8+ a foot, a price of $89 for a pair is cheap for solid silver.
Make Your Own
Excellent Source For Wire Mil Spec, SCP, Teflon
DIY Pro Interconnects
DIY Coax Cross Connect Speaker Cables
DIY Coax Interconnects With RCAs
How To: $200 cables for 1/10 th the cost
Marinco 8215 Marinco IEC 320
Bulk Silver Wire
Very Small OD Teflon Insulated Silver Wire
Other Metal Wires
Under $20 KILLER Interconnect!
Belden 83803 - $5.75/ft.
Bulk Analysis Plus Oval - Not cheap but there seems to be some science behind the design. The interconnect cable is $2.91 a foot.
12AWG OFC Flat Speaker Wire - great for going under the carpet
8 24K Gold Locking RCA Connectors - $22
D.H Labs proprietary Pro Audio two conductor cable with 22AWG surface-treated, silver-plated, oxygen-free copper, low-density Teflon dielectric and a 95% coverage braided shield - $8.95 a foot - Silver may be same cost.
How to Solder, What Tools to Buy, Making RCA and XLR Interconnects VIDEOS
Solder 101 - Making RCA interconnects
Making XLR Interconnects
Even More How To Videos
For those of you who do not want to solder
RCA Gold/Gold Compression Connectors for Dual/Tri/Quad RG-6 - $2.88 each when you buy 10 - Why Solder??
Belden 1694A - TOTL Coax for $0.39 a foot - Check ebay first for even cheaper pricing.
RCA Compression Tool
A few more
Canare L-4E6S Star Quad - 100' for $46
Heliax All Sizes, just email him 1/4" is not too stiff - JPS Clones
Van Damme Star Quad
Mogami Star Quad Most recording studios use this cable exclusively - Made in Japan - Cheaper Here
Much More Here
Power Cord - Group Buy?? - THX Cert.
4 Conductor 18AWG Full Shielded w/Ground - $0.24 per foot
Switchcraft 3.5mm heavy Duty gold plated with black handle- straight and right angle
Cryo Furutech, Hubbell, Pass and Seymour and Others - The Furutech FI-11M is the same plug on $300+ power cords.
Japanese Made Power Cords, Plugs, GP RCAs, and more
Tie Wraps and Cable Wall Mounts
Wiring Diagrams - balanced and unbalanced for all connectors
Every Cable Company
More Cable Bling