You can try Moi format 3ds -->SKetchup --> SKP ;)
Only 3ds format keep differents objects (original names are not kept but renamed so different components) color are not kept!

So import your objects in 3DS from MOi inside Sketchup
Explode all one time = you have your differents objects with different names!
you can now export en SKP format from Sketchup and import them in Revit

http://www.brothersoft.com/downloads/sketchup.html
you can find here old free version of sketchup 6 who accept import 3DS format