I do have the SewEzi - well, actually two, but the first one was one of the original ones with no rotating tray. I gave the first one to my DIL who is just starting to sew, but i do have the one with the tray and like it.
One thing i still do is slide one of those clear/lidded plastic containers (the ones they sell for school supplies) under the area where your machine sits on. There is plenty of room and you can see whats in there at a glance cuz its right under your clear insert. I used that even before i got the table with the tray - but still use my container too because i am so used to it being there.