It’s always more influential if you state to staff why it is that you would like to have the particular feature in question added. For example: does the one you prefer have additional features or is it more stable or secure than the one that’s already available?
With plugoo’s widget you can use your current IM client.
Width meboo’s widget you “must” use meboo IM web client.
Width plugoo’s widget you can personalize your offline, online and away messages (and put them in your language).
Width meboo’s widget those text messages are fixed.
Plugoo all the way. I spent about 90mins yesterday playing with Meebo, and it’s cool. But I really don’t like the web client for my own messaging, plugoo allows users to chat to me on my preferred chat client.