I've got a really nice acoustic but after playing it for a while it just gets unbareble and uncomfortable to play.

I'm using the strings that I bought it with, so I don't know what gauge they are, but they appear quite large.

What are some good strings to get to make it lighters to play, and what can I do to the innotation etc to make it easier to play?

Buy lighter strings.
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Quote by Curious Jeff
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Lighter strings are easier to play, but I think the thicker they are the better the sound is. If you play with thick strings and get used to it it's far more easy to play with than lighter strings. I use strings that are about 13mm love em =)