My wife and I drove the Conor Pass (towards Dingle) this past May. The weather was cloudy and the ceiling was just over the top of the Pass. The views were spectacular. We had some concerns about the dangers of the trip because of some of the postings that appeared on this and other internet sites. However, we found that the route was not really difficult at all.
Descriptions like: "the left wheels hanging over the edge" were a bit 'over the top'. A short stone wall precluded a fall over the edge most of the way. Several 'carve-outs' were provided at the narrowest spots so that cars could pass each other. I highly recommend this drive, unless the overcast is too low, thereby obscuring the views from the top.