I just downloaded a free 30 day trial of LSP, since I'm a complete newbie, my decision between LSP and LOR has not been made yet. So far, I haven't had any trouble with LOR, but I do have locking up issues with LSP. I'm liking LSP because I've already figured out how to set up my DMX channels, create a single RGB strip and add a simple chase sequence. However, when I try to play it back, it locks up, skips, etc. so I can't view the animation in real time with the music. Maybe I'm doing something wrong? If I can't figure out what is causing the locking up, I just may have to go with LOR because the animation while designing a sequence is very helpful.