DIY balanced interconnects

Oldears - I'm not sue why you want to build your own cable. How can you obtain low inductance, capacitance, dielectric constant and metal purity without using exotic materials like foamed Teflon in oversized tubes or 9N copper. As for grounding shield on both ends - it never should be done. Unfortunately it is done in XLR interconnects causing problems in recording industry (ground frames). There are many theories where the shield should be grounded but common thing in electronics is to ground shield on the receiving end only.

Here are the instructions for proper connections of both RCA and XLR cables.

http://www.diycable.com/main/pdf/Canare.pdf

Kijanki: This simple low cost DIY cable kit has everything you mentioned. It's a great kit - highly recommended!

Thanks for the responses so far. Thanks to Danmyers for the post on construction (even tho I have no interest in Cardas). I note these instructions say to connect the shield to chassis ground on the source end only, as opposed to Kijanki who recommends the load end only. I still think connecting the chassis grounds to a common (preamp) end would have some merit (and a reason to DIY).
I see 2 votes for Oyaide and as I am intrigued by the possible benfit of single crtstal/OCC cables. The Vampire CCC-II is also a cast Cu cable at half the cost of the Oyaide. I am surprised Kijanki would not consider these to be quailty materials.
Of course the real reason for DIY is $$!
BTY the new cables would be compared to Kimber KCAG cables originally bought as RCA and coverted with Neutriks to balanced as i changed components. I have had these cables at least 12 years.
Also note that I tend to agree with Ralph Of Atmasphere and do not expect to find huge differences.

Oldears - I'm probably more lazy and making things doesn't thrill me as much as it used to. When I was about 16 years old I was building EL34 100W amps and really enjoyed it. Now I don't object anymore to prepacked goods - perhaps because I can afford it and maybe because I'm more lazy as well.

Kijanki-Maybe when you retire you will become intersted in DIY again! I started audio building Dynakits and have now gone full circle.