Ummm...can they? Yes and No. What kind of answer are you actually looking for? If they play according to their talent and potential, there is no reason why they shouldnt finish within the top 5 in the regular season. However, they will most likely not mesh as all of us would hope they do, and it is much more likely that the Knicks will fight for a 7 or 8 seed. As far as the playoffs go, one would have to imagine that they will suffer from inexperience compared to playoff ready teams like Cleveland, NJ, Miami, Detroit, Chicago, and even Washington and Indiana. Next season, i dont expect the East to be considered the lightweight conference any longer with Allen moving to Boston and Rashard Lewis to Orlando. Just as the Knicks are getting better, the rest of the conference is as well, and it will be just as difficult a fight to make the post season.
Everything will depend on the individual players' commitment to play the team game and solid defense. Each player needs to understand their role and how they are an asset to the team. Knicks are at their best when Curry is a force down low, but with his lackluster defending and rebounding, i see him hurting the team if hes playing over 30min a game. Randolph is a great offensive addition, but he isnt anything special on defense either. The team will be able to outscore people, but needs to feed off of the defensive energy of Balkman, Collins, Marbury, and hopefully Jefferies and Q (if hes totally healthy).
The problem is that we lack solid interior defenders, and this will show up as a huge hole come playoff time (assuming Knicks make it).
All in all, the team has so much to prove and while the additions of Chandler and Randolph seem promising in addition to the young rising stars of the Knicks, defense wins in the playoffs as both the Spurs and Cavs proved this past season.