Personally, I like the one year wonder. 1976, LOL! I'm a little biased though. This is the T/A I ended up with back in 1987, before I even knew what the differences were between the years.
To answer your question though, definitely the 77-78. I know a lot of guys are partial to the 79 and later, but it just looks "plasticky" (for lack of a better word) to me. If I had it to do all over again, I would restore a 70-73. Not only do I like the nose, but I love the flat rear glass.
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John
"There are no stupid questions, but there are a LOT of inquisitive idiots!"