I had reflex, now have G4. Graphics much better in reflex, but.....

I had unending problems getting reflex to START. I usually got the error message of interface not detected. Then you removed the usb port connection, and reconnected. Close program and open. One one occasion, I had to do that 13 times to get the program to start. After awhile I gave up after 11 attempts.
MRC promised a replacement slimstick. After promising 5 day turnaround, finally got one after three weeks. Same problem. Tried another computer. Same issues. Tried different transmitter. No joy.

Sent it all back for refund. Despite my prior calls, email and letter, they asked "what's the problem"? Learned they had not, contrary to promise, sent a different slimstick. Had to pry that fact out of them. (Had assured me they had replacements in stock). Said they had tried it and it worked fine for them. I thought that was pretty pathetic customer support and demanded a refund.

I was using it with an airtronics vanguard transmitter. When I could get the program to start, it worked fine. But who would want the hassle?