In article ,
"JellyBelly" writes:
For something a bit cheaper you could try http://tinyurl.com/yfulhx (goes to
ebay) or this http://tinyurl.com/yzu47o (ebay again). Other than that, try a
surplus store or a (ham) radio rally for ex-BT equipment.

Occasionally, I have seen them at computer fairs, second hand.
I picked up a PTS100 for £10 that way about 10 years ago,
and it's been invaluable for various bits of data/voice cabling
I've done (and just occasionally on mains cables too, when not
connected to the mains;-).

--
Andrew Gabriel