I'm planning to buy a tonneau cover for my '07 Sierra and looking at Extang- http://4wheelonline.com/Extang.1785
since the price is still within my budget and looks like the offer is good. Does anyone have this kind of cover? I used the search function but didnít find any topic about it. I want a folding tonneau but Iím still undecided whether to get a solid or soft tri-fold style cover. Iím also curious how well they seal. Or do you have other suggestions? Thanks in advance guys.