Thanks to Sam1504 for the heads up
MSN is currently working on "MSN Favorites" allowing users to do the following:
Roaming favorites is a great addition to Microsoft's MSN Services and will allow users to fully store and reference search queries and favorite sites anywhere and easily.
View: MSN Favorites
It seems Microsoft's MSN department is busy developing a tabbed version of MSN Search for use inside web browsers.
With the tabbed interface becoming more popular Microsoft are clearly considering its uses across a range of products. Later this summer Microsoft will release Internet Explorer 7 with tabbed browsing and it's expected that MSN Search with the tabbed interface will be launched later this year too.
View: MSN Tabbed Search
News source: Neowin's BPN