TC,
The 2-6 lb you mentioned is a real "noodle" rod and very soft. I don't even think that you can land a 4" trout without being spooled rolleyes I didn't like the feel of it either. The 6 and over are no longer a noodle in my opinion. They are "light" and a good choice.
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I'm a great believer in luck, and I find the harder I work, the more I have of it. Thomas Jefferson.