I think most end up with GAHH. I have this brand which touts some improvements over the stock design but I didn't really notice anything: https://www.ck-cabrio.com/shop-convertible-tops/ferrari-f430-spider-2005-2009/ If you don't mind, can you send your original top to me after it is removed (if it's not cut up anyway).
Thank you for the recommendation. Yes I’ll send you the old top and ask the installer not to mess it up.