To T-top or not...that is the question

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Sorry for asking all the questions guys, but you are the experts.
I light tackle fish, especially fly, out of my 18 and while I would like the comfort of getting out of the Florida sun as well as be able to see my electronics screens easier, I don't like the idea of a large structure trying to grab hold of my backcast [img]/forum/images/graemlins/tongue.gif[/img]
I also love the lines of the Seacraft without a top.

Also, are there alternatives to a full T-top besides the Manta (which doesn't bode well when running)?
I have thought about some sort of small top, like on a buggy, that would fit into the rod holders on the leaning post and be removable.

What do you guys think?