Just upgraded from 3m to 5m having learnt digging up the beach and dryboarding (exit) with radsail last summer and been impressed by it not only by it's value for money.
Ye...ye...the man at the local shop (Radsail-it must be like a Skoda!) and the net forum keep saying "u get what u pay 4". The longer-than-me-serving flexifoil folks at the local beach however were pretty impressed by the feel of the materials, the feel in the air, the design and colours and more so by the bucks I spent on