The Laphroaig CS is a strong whisky that is not for the novice whisky drinker. The batch number matters, as the flavor of each expression changes. The Batch 002 is my personal favorite: the smokey nose, peaty and sherry finish, but without all the iodine notes common in non-CS Laphroaigs. It's an absolute masterpiece. The Batch 003 is a close runner up. It's very similar with the signature smokey nose, but this one is a tad bit sweeter with a stronger sherry finish. I get hints of Christmas cake and salted caramel, which is wonderful.
However, the subsequent iterations of the CS expression (Batches 004 and 005, namely) fall short of Batches 002 and 003. The briney iodine notes return and they aren't as smokey. That said, Batches 006 and 007 are absolutely worth your while.
This is my uncle's favorite. I enjoy the flavor compared to other scotch whiskey's it is smooth and has a depth that can be appreciated.