One advantage to the balanced cables is that they lock into place so there is very little chance that they can come loose.
I am using microphone cables from Parts Express and they are doing a great job.
I don't really see the point of spending $30.00 or more on balanced cables.

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=241-342
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Epson 3500 3D projector
93" Carl's Place Flexiwhite DIY screen
Outlaw 976 Pre/Pro
Outlaw 7500 for center and surrounds
2- Emotiva XPA-1Ls for LF/RF duty
2- Outlaw LFM-1 EX subs
Oppo BDP-105 Blu-ray/DVD/SACD player
Outlaw LCR (Snell Labs) for center channel duty
Tekton Lore monitors L/R
4- Emotiva ERD-1s surround speakers
Monster HTS3600MKII power center