I have an Isabella Shadow, a quality job, tencate material and the excellent Isabella adjustable poles.
You can also add a net front extension and/or side pieces.
http://www.derbycaravancentre.com/carava...SunCanopyShadow

Another neat sunshade is the Outdoor Revolution Easi Canopy, once available at a bargin £30!
http://www.johnscross.co.uk/outdoor-revo...asi-canopy.html

You could of course make your own, using Tencate;
http://www.tencate.com/emea/outdoor-fabr...ce/colours.aspx
and the superb Isabella poles
http://www.penrosetouring.co.uk/acatalog...ccessories.html
Another useful looking sunshade
http://www.outdoor-revolution.com/lightw...canopy-200.html