Yes Solerveil has been discontinued. There is still solarweave
http://www.sungrubbies.com/product_i...SPF-Fabric.htm
It is still a bit pricey as you will need close to 3 yards, for most carriers.
If your looking for something breazy, i love linen slings for Vegas. Or you may want tto try a MT. I am not sure exactly what type of carrier you are looking for.