Geoff,
If you're good withi it, i could do one more triangle;

Chicago Citygate jan 02- mar 02   1.5/d +0.11
MS sells to Enron; Enron sells to Williams; Williams sells to MS

My number is 212 -761 8736 and TJ Poole's is 918 - 573 6037
Cheers, Brendan