You can always use quicktime alternative to see quicktime movies!
Here is a link for it, I think it comes with media player classic.
You can also get realalternative, that way you could get rid of both realplayer and quicktime at the same time.
Those two filetypes (.ram and .qtm) will now play with media player classic. Just be carefull not to configure it so it plays your other file types. It is great to replace quicktime and realplayer, but I still prefer windows media player for the rest.
Quicktime alternative 
