I've had some T008K's, and I wanted to try some other Easttops, so I bought this L and also the S, both in Bb. Been playing them both a lot for a week or so now, trying to discern the differences between them, and if I clearly find one "better" than the other. I have to say I can't find major differences as far as my playing is concerned. The S is heavier in weight, and maybe a bit louder with the same force of air. They both play pretty well if you don't blow too hard, and if I do I find they're not as nimble. I'd like to sand the draw plates on both, which I haven't done, and maybe the combs as well, although the S is said to have a flat sanded comb. The S required some reed profiling on the 2 and 3 holes, while the L did not, and the L gave the 6 OB out of the box, while the S not so much. They are both very playable harps, and maybe the best available at the price. All in all, I'd recommend either harp, and maybe figure on some reed work and some sanding to enhance the already very good playability.