My “guest” black bamboo flatware settings by Jean Dubost include a serrated multipurpose knife that is quite satisfactory as a steak knife:
http://www.ebay.com/itm/Williams-Sonoma-Jean-Dubost-Black-Bamboo-Flatware-5-Piece-Set-/232017162700
If you follow the link, there is a specific image of the knife blade. It’s a great hybrid of flatware and steak knife for limited steak cutting.
For more demanding empty nester use (myself and a guest),
I have two Wusthof Precision paring knives:
And a slightly longer Shun Kaji:
All in all, my serrated all purpose Jean Dubost flatware is more than enough for most purposes, since the frequency of need for steak cutting is very limited.
Ray