Kona Dew Drop sizing advice

woodywmb
woodywmb Posts: 669
edited December 2009 in Road buying advice
Thinking of buying one of these. All the sites contain a warning that typical sizes come up 5cm short. I need a 54cm road bike. Does that mean I should go for the 58cm Kona Dew Drop (available in 52, 54, 56, 58, 60, 62)? Anyone supply a review? The 2010 version seems big improvement on 2009.