Team is Going from XP32 to XP64 for .NET Development - Any Gotchas?

Question

My team is getting new XP64 workstations. We\'ve been using XP32 up until now. Most of our work is done in managed C#/VS2008/.net 3.5 and SQL Server 2005. However we do have

Answer 1

You won't be able to talk to MS Access databases from .NET x64, because there are no x64 Jet drivers.

I would consider this an excellent reason to move to x64.