I think experience is being overstated. Yes, Wall, Beal, Booker, Seraphin, Glen Rice, and Porter are inexperienced but the latter three won't see the court unless someone gets injured.
Nene has been to the Western Conference Finals with DEN
Andre Miller has been to the postseason a lot with DEN/PDX/PHI
Webster has been to the postseason with PDX
Harrington has been deep in the playoffs with IND, was part of the GSW squad that upset DAL, also was with DEN
Gooden has been to the NBA Finals with CLE
Gortat has been to the NBA Finals with ORL
Ariza has been to the NBA Finals and beat Gortat's Magic with LAL, also went to the postseason in NOLA
We have a lot of guys with experience and a few of them played together. As an overall group, this team has loads of postseason knowledge and savvy, the young guys in the rotation are just going to have to follow their lead which is a great resource for them.
As far as the matchup, Nene allows my Wiz to play big vs. the Bulls but if Randy was smart, which he isn't, he'd experiment playing Ariza as the stretch 4 and play Webster at SF with Gortat or Nene at C for some stretches...
The Bulls defend the weakside the best out of anyone in the league. Wall can't do the skip passes he likes to do for corner threes.
But spreading out the Bulls with shooters may be a wrinkle to try.
With Nene at PF we can play the grind out style but the half court execution is so hit and miss... but the Bulls are prone for long scoring droughts so

we may see