strongly disagree. While the switches are cheap, the marshall line is incredible bang for the buck. I've used the ED-1 and JH-1 and both sound awesome (JH-1 only on the OD setting, though). I've also heard great things about the reverb, delay, and modulation pedal.
The ED-1 is a must buy, IMO. Especially at that price, but even for regular. Low noise, extremely versatile (can go from transparent to super squishy), and great sound/compression quality. I have yet to hear a negative comment on any marshall pedal in terms of sonic quality, minus the Guv'nor (no offense, storm, I'm not trying to pick a fight, this is simply IME). I tried a GV-2 at the store and it was extremely buzzy; the JH-1 sounded great though which led to me buying one a bit later.
However, many folks here laud the GV-2.
Anyhow, I digress. You can't go wrong with any of those