9'5" Mana gets my vote.. Also you should concider the new 10'6".5 Nalu.. It's not always a shorter must be better thing.
btw.. I'm using it (the 10'6".5) in my 'Surfing with the Mana girls' vid.. It's awesome and a much better choice for exploration and excersise.
That new 8'10" Mana is so new I don't think anyone has even seen one yet.. I'm also very keen to check it out.. Remember shorter might surf better (on some waves) but do not paddle big distances very well because they yaw so much with each stroke.
Welcome to the Breeze..

DJ