Hey Al. Kamusta? I know a couple of guys who make board bags for windsurfers. I dont remember how much exactly the were but i'm sure it's less then P5k. You can give them the specs. Interested?

king

His name's Verge Bayani, you can call him at home 721-0193 or at 0919  420-8899. You'll have to give him the specs of your board and the details you want on it (fin pockets, carying straps, etc.) He's made bags for windsurfers which are usually much bigger and sturdier becaluse of the larger volumes and weights.