If you are a current MSN Messenger user then you will love Messenger Plus. It adds a ton of functionality to MSN Messenger, and many features that you would have never thought you needed. Unfortunately, the most recent release is still not compatible with Windows Live Messenger but a compatible version should be released in May.
The only major changes this time is in the sponsor agreement. This software was once very tricky at getting people to install ‘additional software’ with the installation. However, because of rising complaints they have made it easier for users to opt-out of installing the sponsor’s software. They have always given the choice to install the sponsor’s software or not to install it, but when Messenger Plus was originally released they made it much more tricky.
Since you are able to install the software without adware or spyware then I highly recommend that you use this software. Once you grow accustomed to it then you won’t know how you survived without it (a little exaggeration 
).
MSN Messenger Plus is a adware based application that in past versions has forced install of its spyware when the software was updated using the internal update application without a Eula or prompting the user for permission, otherwise its an okay app if you DO NOT install the enclosed Ad-ware… Be careful because the dialog box is not as obvious as one would think it is…
They’ve made it better in recent versions so that users are more aware of the ads the software might install, but they do give the option to remove the ads. I guess the development has to be supported somehow.