Not a review as such, more a little information on what's what with the OVA content. The Wiki lists 13 episodes in the OVA section, but since this site has them grouped individually, I thought I'd add a little more detail for the distinction.
This first batch of OVA include the first six titles of those available:
Shampoo's Sudden Switch - The Curse of the Contrary Jewel
Tendo Family Christmas Scramble
Akane vs. Ranma! I'll Be the One to Inherit Mother's Recipes
Stormy Weather Comes to School! Growing Up With Miss Hinako
The One to Carry On (1)
The One to Carry On (2)