shapechange advice

[blelliot]

Long story short, my druid just made 17th level, and I've been itching to do a shapechange, any favorite creatures that anyone out there likes to change into that have a 17 HD limit? Would love some suggestions. Thanks!

[Fouredged Sword]

Dire tortoise. Acting in all surprise rounds is always fun. Cast overland flight and become the party hover wagon.