Need Twinmos pc3200 Ch-5 stick. What are altenatives???

I bought a 512mb stick of twinmos ch-5 here a year ago and want another 512mb stick but there no where to be found. What do i do?? I heard you shouldnt mix memory. Also how high will this mem i have go??? im running at 200fsb. But all in all if i want to run in dual channel what mem should i get. Using Epox 8rda+ with c1 stepping. Original board. Not 400mhz fsb approved

and yes, i will accept a finders fee..... j/k http://www.palmtreepc.com/dualchannel.htm

I am looking for basically the same. But in BH5.

The link you provided doesnt work.