I would suggest that you take a look at this site.
http://www.homepokertourney.com/chips_review.htm
He has reviewed most of the chips that you will find anywhere.
For the price that you are looking at I would suggest a set of
nextgen chips. While the price on homepokertourney says there are .50 each you can get them for as little as .20 each at
5stardeal
I have no affiliation with any of these sites.