I'm not so sure that Marquis will step up and score 17+ goals to replace Morison. Neither will Mcquoid or Henderson. However I don't see us struggling for goals, we probably wont be getting enough to push for top 6 as it stands but this will depend how many goals the midfield chip in with http://news.bbc.co.uk/sport1/hi/football/teams/m/millwall/club_stats/default.stm
I think Jonny Marquis plays alot like Hernandez for Utd always breaking his neck to get about and hurry people into mistakes. Not afraid to jump despite not being the biggest fairly quick and a natural finisher. In a completley unrelated incident i bet my mate £20 Hernandez would be top scorer in the Prem...
I think that both Marquis and Mcquoid will need to feed off the balls that Henderson lays off for them - can't see them playing together too often, hope I'm wrong though because they are both great prospects....