We are full time live-aboards so it might be different for you but I would strongly recommend adding a zip out window panel forward. It makes a huge difference (especially for the unlucky soul who sits on the starboard side). It also gives you another option when deciding about eating/hanging out outside in terms of the wind or rain.
Also, not sure what the Amel supplied unit is made of but we've been super happy with the sunbrella product with the plastic inner layer.
Tom and Kirstin