I have looked at that frame on ebay a few times, not sure about the Kinesis bit at all, it looks very similar to the cheap XC frame from CRC or the Dirty Jo frame, that as far as I can tell are one and the same frame too.
I had a Dirty Jo frame I builtup as a SS and it was a great frame, light and responsive and not at all harsh.
Others to look at are the Bee 1 frames at CRC AT £120 or just spend another £80 and your into a On One Scandal & its all ready for SS so you can save the cost of a tensioner… Thats assuming you after a light frame, if you aint bothered about that go for the steel Inbred.
CRC frame.
http://www.chainreactioncycles.com/Models.aspx?ModelID=12529
Dirty Jo Frame
http://www.dirtyjobikes.co.uk/Frames/Dirty_Jo_Triple_Butted_Frame
DJ built as SS