Singing and dancing:
Fankan's have good singing and dancing.  Including a rare version of Link.  The senshuuraku's are both touching (the kaguya k one was Fumina's graduation show

Important Actors:

Fumina Hara as the second Moon

Takagi Nao the 2nd Uranus. A very popular Uranus

Asami Yuhka as Neptune, a lot of people associate her to Nao.

Hikari Ono returns in the role of female pirate Loof Merrow (former Starlights, Hawk's eye, Bloody Dracul Vampiru, and Prince Demand (all in the Sera Myu).  She also does other stuff like her self produced Nazo no Punk Lady and Ninja Yell

Mochizuki Yuuta plays King Endymion.  Also plays Tuxedo mask and Dracul in other myu.  He also was Kamen Rider J and Tyrano Ranger in Zyurangers.  He's also one of the F4 in Hana Yori Dango

Kawasaki Miki plays one of the jewel ladies

Bad:
Can't think of any

Good:
A lot of fun songs, rare footage, etc

Bonus: