This week's edition of Property Week (normally a reliable source of information) reports that there is a short-list of seven bidders for LSACL as follows:
Macquarie, the Australian conglomerate
Dawnay, Day, who own Oxford, Kidlington
Barclays Capital
Hochtief
Balfour Beatty
Albertis
AIG (the LCY bid)
If this is accurate it represents a pretty heavyweight collection of bidders.