A new source of entertainment has emerged for those hard working denizens of the IFSC, a dockland deep throat has informed the Margin. It seems that the attractions of The Harbourmaster - the IFSC pub - have waned and some of our financial wizards are moving across the river for their excitement.Where? It seems that Lapland - the new exotic dancing club at Robbie Wootton's Columbia Mills has became a haunt of some of the docklanders. Indeed the margin heard that one group of brokers which was there, er, entertaining clients, was not a little surprised to bump into a group from an opposite brokerage.