I think I'm pretty much ready and am looking to upgrade form my freeride Starboard 133L to a FSW so I can start going out in a bit more chop and waves with a lighter board. I've been trying to snag an RRD FSW 114L second hand but there's zero going round and honestly I can't really justify the outlay of a new board at this point as I am a fairly casual sailor. I did see one Quatro 105L 2014 FSW which is in my budget and but have not ever seen nor heard of these. Any idea, would it be a good option ?
Much appreciated..

What's your weight?
For the open ocean, depending on the wind, (for the board size) I suggest your weight + 10L for 20 to 25 knots, and your weight in litres for over 25 knots winds.
Use your 133 for under 20 knots.

I would say any FSW would work. They are all pretty good.