B14 v 59er

I have been sailing for 9 years on a variety of boats including toppers, lasers, laser 2s, (occasioanal crew 505). I am currently sailing a Topaz Race X singlehand but am looking to get back into two man sailing with my brother. Looking for a hiking aysmetric. Our total crew weight will be around about 170kg

I am considering to buy a second hand b14 or 59er. Does anyone have any opinons on this? Anything I should look for when buying one of these?

Should also consider an RS400.

I currently sail a 59er and it is a great boat. Looking at the list of boats that you have sailed you are about to really jump up in sailing speeds. You will find going downwind completely different to anything else you have sailed. Apparent wind sailing and the angles you need to take a while to get used to.

Both boats are great. I think the 59er is a little easier to sail. As has been pointed out the B14 has better class racing going for it.  

Seems like you're on the heavy end of the range for a B14 and light end for a 59er. If its windy where you sail that says B14, if its light 59er.

Speed wise an RS400 isn't in the same country unless you're on restricted water where the other two hardly get going. The little 400 kite is really fast to nip up and down on short legs compared to the big masthead ones.

Inland on 200 acres or less IIWY I'd pick the 400, the others would be frustrating, bigger inland the 59er, breezy coastal area the B14, but first I'd blag a ride in each of them and see which I liked most.

weight on the B14 is not as big an issue as with other boats, because of the racks crew weight effectively self-equilises, and racing the boat becomes more about getting a feel for it.  To put it another way, the weight range in the top five at this year's nationals was between 125 and 165kg i think, so you would not have a problem. 

Do not get me wrong, the 59er is a good boat, but because the class is new second hand boats are rare and are still close the the price of a new one.  The 59er is probably better suited to smaller places, in part because its kite is smaller, and flatter enabling you to sail the reaches you get on club courses.  Also the dagger rudder is a god send in shallow water (B14's can be converted).  The B14's kite is, by modern designs, very big (29.2m2 compared to only 21 on an 800 for example) so sailing on other than deep reaches becomes a 2-sail affair.  Having said that the B14 also has a large jib, and believe me 2-sail reaching in a B14 in breeze is about the most fun you can have in a boat!!