oh man, i thought you were doing the no-fins in a streamlined kick-only version. almost forgot humans have arms, too.
you make some good points, too. obviously, you can push both pretty hard, but no-fins is more difficult and more translatable. i will 'step up' but i have to work today and my pool is closed tomorrow and monday so it wont be until tuesday that i get to 'ave a go. sub-17:43.80 will be mine...oh yes, it will be mine.