Here is a vote for the SN 206. I have a 2009 with the PCM343. Great fit/finish, handling, reliability and lots of power. Open bow is great for kids and also lugging the portable course buoys, reel or parts - so it is a great all around big-lake boat. Bump at -15 and -22 is definately larger than the 196, but it is frothy, not crazy stiff. At -28 and after not sure it is much different at all, although to be honest I don't get chances past -28 yet.
Pretty regularly ski a 2008 SN 196, 2007 Malibu LXi, 2009 SN 206 and 2007 MC 197. Of that genre boat, we all love the 196, but if you need the open bow I think the 206 or late model LXi is a great choice.