Long Run From Computer to Stereo


I have Echo Layla 24/96 soundcard with analog outs. The analog outs are 1/4" outputs that are going to require a rather long run over to my stereo. That length will be approximately 35-40 feet to get it situated properly into my tube preamp. Obviously i will need to get the RCA adaptors for the preamp end. But can anyone recommend such a length of decent quality cable for such a set up? I don't expect it to be the best quality but just something decent. I don't even no where to begin looking for such an animal in 1/4" runs of that length.
Right now i am running guitar cables(which sound decent) to my studio monitors but they are only 20' long and i don't know of any cords longer then that in music stores?
Thanks!
seekburk
I found placing the computer next to the stereo and running long monitor cables and wireless mouse and keyboard worked great for me. That way you get short audio cables and no noise from the computer next to your listening position.

I'll second Hi5harry thoughts. It'll be way chaeaper and I suspect better in the end.... IF that is not doable, contact Audio Art cables. I'm sure there are others making good inexpensive cables, but I've some exp with AA. Mr. Fritz will give you the straight scoop on his cables in that application.
I agree too.

That is my present setup. I have small monitor connected to my computer by a 30' cable. I have used a wireless keyboard and mouse in the past but just recently installed an extra long USB cable which connects the mouse and keyboard to the computer. For this I needed a self powered USB extender cable and a powered USB hub.

Of course noise from the computer can be a problem so take that into account when planning your setup.