Dubnyk definitely is a sleeper but I still very much dislike Edmontons ability to keep goals out of their own net.
Ben Bishop is another one (could go to Lehner but I like Bishop more)
I think it is hard to have sleeper goalies, most poolies are aware of goaltending situations, maybe not to the degree most people on this site are but they at least know the names and situations. I think it is far more valuable to look at undervalued goalies than sleeper goalies. (Ward, Hiller, Kipper, Backstrom, Varlamov).
I have M. Smith in my one league as a late round keeper and I have those 5 goalies on my mind as guys to pick up when they slip.
2010-2011 League Champion
2012-2013 Runner Up
ROTO
2C, 2LW, 2RW, 4D, 2,G | G, A, PPP, +/-, PIM, BS, W, GAA, SV%
C: Getzlaf, Backstrom
LW: Hall, Tlusty
RW: Malkin, Lupul
D: Ehrhoff, Del Zotto, Enstrom, Carle
G: Holtby, Smith
Bench: Faulk, Druoin, MacKinnon, Brodin, S. Mason, Bernier
H2H Keeper League [5F, 1D, 1F/D 1G]
2013 - 3rd
2C, 2LW, 2RW, 4D,1 Ult, 1 G -H2H Daily Start - G, A, +/-, Hits, BS, PPP, SHP - W, SV, GAA, SO
F:Tavares, Landeskog, E.Kane, Backes, Yakupov, RNH/Kesler
D: Green/OEL
G: Rask