I've had both the 115 & 125 for a while now so I thought I'd do a quick review. These boards are the new shape and have slightly less double concave at front, less v in tail and more width at front foot and a narrower tail. The boards are light with the 115 around 6.9 and 125 around 7.1 kg.
On the water 115 & 125 glides effortlessly on to the plane with little need to pump or head down wind to get it up and going. The deck shape and foot strap pads are very comfortable and the rail shape around heals once planing is very good for long runs with no cramps in your heals

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IMHO I found both boards very comfortable, fast and forgiving in open water and the stronger and rougher the conditions get the boards really excel.
Gybing is extremely easy as they cope with either large slow arch gybes or tight snappy lay downs. Also if you pick a good lump to carve around on its a good laugh.
I found the boards to really balance well on no-cam rigs. I've been using a 5.8 on the 115 in 20+ in open water and it's just so easy to have fun, sail fast and play around with mates on the water.
I am really impressed with both boards hence my motivation to write a review. IMHO if you want a board that will always give you a smile the rocket nails it