I believe Danny likes to swing for the fences when it comes to drafting. In other words, given the choice between selecting a player with a high floor/low ceiling or one with a low floor/higher ceiling, he'd select the later.
We saw that last year when he bypassed Portis (a higher floor) in favor of Rozier. Who he perceived as having a higher ceiling...which remains to be determined.
It even fits his basketball personality, for when he was a player he liked to shoot 3's. Which is like swinging for extra bases in baseball, not singles. One is more likely to miss (strikeout), but when you hit, it's worth more.
Typed below is a list of draft selections Danny made since becoming the Celtic's GM. Next to each name I included a Floor-Ceiling rating. I based the ratings on my perception of what I remember these players to be either before or shortly after the draft. I guess one could call it retrospectful-crystal balling. (Yes, this is a somewhat convoluted.)
The following are the rating acronyms: Low floor (LF) High floor (HF) Low ceiling (LC) High ceiling (HC)
FWIW: These are my own non-expert perceived rating opinions...you are welcomed to feel differently. Sometimes I rated players with HC because of their draft positions. In other words if one were drafted 23 and it was expected he might start or play regularly, then he was labeled a HC. Delonte comes to mind. If one were drafted in the top ten, then expectations for HC were higher.
Terry Rozier LF - HC
R.J. Hunter LF - HC
Jordan Mickey HF - LC
Marcus ThorntonLF - HC (Just making the team puts him in the high ceiling category.)
Marcus Smart HF-HC
James Young LF-HC
Kelley Olynyk (via trade) HF-HC (He was expected to make some sort of impact. Thus, the HF)
Jared Sullinger LF-HC (LF is based on his back problems)
Fab Melo LF-HC
Kris Joseph ??
JaJuan Johnson (via trade) HF-HC I gave him a HF because of the hype surrounding him.
E'Twaun Moore LF-HC
Avery Bradley HF - _C???
Luke Harangody LF - HC (Based on draft position)
Lester Hudson?

J.R. Giddens LF-HC
Semith Erden???
Ray Allen (via trade for Jeff Green) HF-HC (Still a risky move due to Ray's ankle history at the time. We look at Danny as a genius for this trade. In reality it was quite risky. Ray's ankles did come back to haunt him in the Miami Eastern Conference series. And, who knows maybe that was the reason for his shooting funk in the Lakers Finals.)
Gabe Pruitt- (Are Gabe Pruitt, Gerald Green and James Young all the same type of players? LF-HC)
Did Danny strike out 3 times on this prototype? I think that is why some are skeptical of Heild and Murray. Danny can't spot good shooting guards in the draft.
Sebastian Telfair (via trade) (HF-LC) HF is based in that he somewhat proved himself in the NBA beforehand.
Gerald Green LF-HC
Ryan Gomes LF-LC
Orien Greene LF-LC?
Rajon Rondo LF-HC (via trade)
Al Jefferson HF-HC
Delonte West HF-HC
Tony Allen LF-HC
Justin Reed LF-LC
My feeling is Danny chooses the LF-HC players most. And, in general shuns high floor-lower ceiling players. Obviously, he coverts the HF-HC players most. Unfortunately, they are least attainable. Given this perceived preference. What is Danny most likely to do in the draft?
With all the trade noise, it appears Danny's first choice is trading for a high floor-high ceiling veteran. Thus, we have all the Butler, Okafor, Boogie and Love rumors. (I absolutely dread the thought of Love coming to Boston. Danny, please watch the NBA Finals over and over again. He's useless.)
The highest floor and highest ceiling players in this year's draft are Ingram and Simmons. The only other player with high floor-high ceiling potential appears to be Kris Dunn. My guess Danny would like to acquire him. But, he has bust potential too if his injuries get worse. The shoulder joint is one of the most complicated joint in the human body. I wouldn't take him.
After that, it's a crap shoot. If Danny were to draft the player with the highest floor (sans Dunn), then Heild would be first because of his senior year, Brown might be second. Players with the highest ceiling. It might be between Murray and Brown....Bender in 3 years....who knows, some feel Heild has the highest ceiling. (This is a tough call.)
My analysis is obviously flawed, but still leads me to believe Danny will work hardest on making a trade for an impact player. If that doesn't work, then it's likely he'll be swinging for the fences and draft a LF-HC player. Chances are, many of us won't like that decision because of the bust potential. If the 3rd pick turns out to be Chriss, then Danny borders on being either a wishful gambling addict or a genius.