You should take the time and read through Dan's articles from earlier this year on this. It's extremely clear and concise. I think it will help you decide which size option will work best for you.
Part 1 - What Size Bike
http://www.slowtwitch.com/...Size_Bike__4947.html
Part 2 - What Sized Bike Continued
http://www.slowtwitch.com/...ize_Part_2_4950.html
Part 3 - Choosing Felt Superbike
http://www.slowtwitch.com/..._Superbike_4935.html
Hope that helps!!!
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"Train so you have no regrets @ the finish line"
Part 1 - What Size Bike
http://www.slowtwitch.com/...Size_Bike__4947.html
Part 2 - What Sized Bike Continued
http://www.slowtwitch.com/...ize_Part_2_4950.html
Part 3 - Choosing Felt Superbike
http://www.slowtwitch.com/..._Superbike_4935.html
Hope that helps!!!
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"Train so you have no regrets @ the finish line"