I played Inniscrone for the second time this past fall after the rains of August. It was a "crazy Thrusday" or something like that. For $35. we got a cart; greens fees; sleeve of quality balls; and free hot dog, sode and chips! The course was soggy. I played with two buddies (one a 5, the other a 14 like me). After the round, the consensus was that they would never come back. First, from the western suburbs of Philly, it is still geographically in no man's land. There is no easy way to get there, traffic is ridiculous, the trip is interminable.
As for the course, I liked it better than my playing partners who basically hated it. The 4th, 5th, 10th, 16th, 17th, and 18th were unanimously disliked. The 4th green had a back pin position and with the large bunker fronting the left side of the green, it was virtually impossible to hold what started out as good second shots, only to have the balls run off the back into garbage. Chipping back to the green was nearly impossible as well. The short 5th was surrounded by an apron of thick, tall rough, resulting in a 3 if you could hit the green, or a 5 or worse if you were close to the green. If you tee ball was not a near miss, you were better off. The 10th was just silly- very little margin for error on the drive which if it went a yard too far, left you with a sharp downhill stance for a second shot slightly uphill over a 100 yard wide waste area to the green. The complaints about 16 and 17 are well-documented on this site; 18 required basically a blind drive over a wide environmental area that was difficult to see over unless you are an NBA player. If you made it over the environmental area, you were left with a simple short iron to the green.
So, despite the incredible deal, the combination of the 75-90 minute drive and the goofiness of the golf course, makes it a very unattractive golfing destination.