I'm not alone!
I remember when I first became interested in Aikido. I was nervous that my height of 6'6 might be a problem, so I emailed someone. If I'm not mistaken, it was the one and only Jun. I received a reply soon after full of encouragement, and I've been studying ever since. I've found some movements my being so tall, is a probelm to overcome, but on a few I think being taller than most makes things a tad easier. Keep working on the breakfalls.. (ukemi is my biggest issue too by the way).
And thank you to Jun, I owe you a favor I can never repay.