IMO, there is a clear top 3 (Horvat, Shinkaruk, Virtanen).
After that there is a next 4, any of which could end up as good or better than the top 3, but each has a risk associated.
Linden Vey - Draft pedigree is over rated here. Vey has consistently improved his production at every level, but will not get his due until (if/when) he has a break out season in the NHL. Has been a PPG player at the AHL level for 2 seasons, but was held back behind depth in LA.
Dane Fox - Undrafted, was ranked in the mid-second round in his draft year. Broke out as an over age junior, so comparables are difficult. Has incredible hands, NHL size and a decent 2-way game.
Brendan Gaunce - put up good, but not eye popping numbers in the OHL. Said to lack elite scoring skill. Has a very NHL ready frame and a mature 2-way game.
Thatcher Demko - it's hard to compare goalies to skaters. He was the top ranked and highest drafted player at his position in the draft. May be the best of the bunch, but will take a while to develop.
The next grouping includes Jensen and McCann - I put them in their own tier because while they may end up as good as any of the 4 above, they have little chance of reaching the expectations of the top 3.