Analysis tools not to be without

Maybe it is just my background in network analysis, but I do feel any developer working with remote servers needs a protocol analyzer; in just the same way as you need the SQL profiler when working with a Microsoft SQL server, especially with auto generated code. Without tools like these how can you work out what is actually being sent on the wire? And if the data on the wire is wrong what hope is there for higher levels in the application|

So two new versions of old favorites both now supporting Vista