I've been offered a slightly used TASCAM US-224. I see in the sound card matrix that it should be fully supported by ALSA. Is anyone here using one of these with multitracking software under Linux, and what do you think about it? Is it stable, are all its features supported, and so forth? As an alternative, I'm considering getting a new US-122. Would there be any reason at all to go for that one instead, or are they equally well supported?