Green lane reservoir has a very nice pumpkin seed strain. I caught a few during the spring/summer when they come up shallow close to the bank and build their nest. I kid you not, simply beatufil.
Nockamixon has a really good green sunfish strain that have a very bright orange/red on the tips of their pectoral and dorsal fins. These are bigger mouthed and more predacious sunfish.
Lastly, if you take a boat out on Marsh creek in downingtown, they have a really pretty bluegill strain where the males get a bright red belly and throat when breeding.
All are easy to catch on hook and line. Get 2lb test wiht a very small hook. Tie the hook directly to the line and give about 9 inches of tag line beneath the hook where you'll attach a drop shot weight of 1/16 ounce. Nose hook a small white power grub and drop shot close to shore under cover.
You'll catch a dozen in 2 minutes. no lie.
HOnestly, the little pumpkinseeds at Green Lane are the prettiest.