I think the Sculptor Dwarf is closer than the Fornax Dwarf and easier to see.
DSS images support this, but the distances below (in #4) are contradictory.
This page gives the distances as Scl 300kly and For 500kly:
http://www.seds.org/Messier/more/local.html
Here are some more distances, Scl 258kly and For 450kly:
http://www.atlasoftheuniverse.com/galaxies.html