It's going to be a bumpy ride: Despite the post-CES haze, Oliver Rist has a pretty clear view of Exchange 2007 -- and it's not all pretty. This week's Enterprise Windows column details some of the potholes in the new version of Exchange, from 64-bit problems to management misalignments. Here comes the Sun: David Marshall's got a few details of Sun's virtualization additions (and other new features) for Solaris 1 It’s going to be a bumpy ride: Despite the post-CES haze, Oliver Rist has a pretty clear view of Exchange 2007 — and it’s not all pretty. This week’s Enterprise Windows column details some of the potholes in the new version of Exchange, from 64-bit problems to management misalignments.Here comes the Sun: David Marshall’s got a few details of Sun’s virtualization additions (and other new features) for Solaris 10 on the Virtualization Report blog. Is the sign of Sun making a run on Linux? And in other virtualization news, check out the updated lineup for InfoWorld’s upcoming Virtualization Executive Forum in February.Roy G. Biv gets into security: Roger Grimes’ recent Security Adviser column on rainbow tables got a response from Phillipe Oechslin that explains a new use for rainbow tables: cracking Office documents. Oechslin is the man who developed rainbow tables, so he certainly knows of what he speaks. Technology Industry