sleepdoc

I've been trialling the Pocket Controller demo (4 days is pretty short!!) and it seems a pretty good program, but there is a noticeable lag (ie when i do things via my desktop it's not as fast as if i were to do them direct on the PPC). I've read a few posts on this product and it seems most people are saying other inferior products have a problem with a time delay, but don't really seem to mention it in regards to SOTI. I'm using an x51v, A12, in a USB cradle. Is some delay unavoidable and it's just that SOTI's is less than other similar programs, or does it depend on the PC, other software running, connection between the two etc and i am experiencing the delay beacuse of that?