Danny Ainge surely is energetic in his role as executive director of basketball operations for the Boston Celtics.

He’s also can be quite frustrating to his team’s fans, like during his performance at Wednesday’s NBA draft.

Thirty-six hours later, I’m still not positive who’s on the roster, and I’m certainly not sure they will bring the Celtics’ closer to contender’s status.

Here are the changes so far, as best as I can tell.

Out with the old: F Raef LaFrentz, PG Dan Dickau, 2007 first-round pick, future second-round pick.

In with the new: PG Sebastian Telfair, C-F Theo Ratliff, PG Rajon Rondo, F Leon Powe, F Brian Grant, cash considerations, a 2008 second-round pick.

Gone in 60 Seconds: G Randy Foye, drafted by the Celtics in the first round and immediately traded to Portland (and subsequently traded again to Minnesota).

So are the Celtics any better today than they were Wednesday afternoon?

Ratliff replaces LaFrentz, giving the Celtics a stronger interior defensive presence if the shot-blocking Ratliff stays healthy, which is an iffy proposition. Plus, the Celtics owed LaFrentz about $33 million over three years, compared to the $23 million over two years left on Ratliff’s contract, so that’s a significant salary cap gain – even though Boston hasn’t been able to capitalize on any cap flexibility by luring impact free agents to town in recent years.

The 33-year-old Ratliff also lost his starting job in Portland to Joel Przybilla, which begs the question about how much he has left to give.

Telfair and Rondo are smallish point guards, with Telfair at 6 feet and Rondo at 6-1. It says here that smallish guards have their roles in the league, but unless you’re Allen Iverson it’s usually just that, a role. The ultimate question for either of these guys is who are they going to guard? Two-time NBA MVP Steve Nash is seen as a short guy by the masses, but even he’s 6-3.

Rondo, a rookie from Kentucky, lacks a consistent perimeter shot but is praised as a speed guy – yet speed alone won’t get the job done. Remember Marcus Banks?

As for Telfair, he got injured early last year in Portland and ended the season as the Trailblazers’ third-string point guard. Plus, he’s related to Stephon Marbury.

Grant, acquired from Phoenix in the same deal that landed the Celtics Rondo, is a nonfactor. He will be released and the Suns will pony up the remaining $1.8 million on his contract.

Powe, acquired from Denver after being drafted in the second round, provides depth at power forward, but nothing certain beyond that.

The bottom line at the moment remains the same as it has been for the last couple of years. The Celtics have a star in Paul Pierce and a decent complement in Wally Szczerbiak, but beyond that their success rests in when – and if – the young guns like Al Jefferson, Kendrick Perkins, Ryan Gomes, Delonte West and now Telfair and-or Rondo rise to the level of consistent prime-time supporting players.

Is there a quicker fix? Here’s one possible answer – The Answer himself. Speculation abounds that the Celtics have amassed their current plethora of young talent with an eye toward trading for Iverson in July, but as much as I love his will to win, are there really enough basketballs to go around for both The Answer and The Truth?

As my old geometry teacher used to say, it’s clear as mud.

Then again, I could be a Knicks’ fan.

Ernie Clark may be reached at 990-8045, 1-800-310-8600 or eclark@bangordailynews.net