I went here a few years back and was delighted!! What a find!!! The artwork is top-notch and the museum itself is very well maintained. The staff is super friendly, at the time they were giving out free books showcasing the permanent collection. They have many activities and programs for kids, so I would recommend checking out what is on schedule for the day before visiting. I believe the fee was $5 for non-members when I went - but worth every penny.
The museum coupled with a stroll through the Botanical Gardens and you have yourself a fantastic afternoon!!