Netbeans 5.5 has been officially released. The 5.5 version has been in beta for quite some time now, and even in beta form was extremely stable and usable.
I personally switched from Eclipse to Netbeans for my own development projects at home since I was frustrated with the Eclipse WTP approach for building web projects. Netbeans 5.5 really has it all from the groundup, without the need to go out and install plugins like WTP that give you the functionality that really should already be there in the base version.