I just ordered the set based on those lovely pointy tips (haven't received them yet). I love slippery metal needles, but Addis are too blunt for me. The Knitpicks needles definitely can be used for magic loop. For the interchangeables, they sell cables in 40", 47", and 60" lengths. The fixed circulars (sizes 0, 1, 2, 3) only go up to 32", so those that prefer at least 40" for ML might be disappointed.
Also, Denise sells 40" and 52" cords, so those needles can be used for ML as well if the thick cord doesn't bother you.
i definitely agree with you about addis. i love that cord but darn, are those points not pointy!
unfortunatly im low on funds as most students are so it'll be a while till i actually get my hands on them. please review when you get them!