I know cost!
Length.................RCA.........XLR.........Digital RCA
.5m....................$130........$195........$75
1m,....................$150........$220........$90
1.5m,.................$170........$245........$105
2m,....................$190........$270........$120
2.5m..................$210........$295........$135
3m.....................$230........$320........$150
Can you tell I've been working on group-buy details?