I had none of these problems, maybe because I use the delfinampeg.device with Amplifier (amigaOS 3.9) and it's perfect.
When i bought the delfina lite thjere was no overclocking utility so to boost performance I had to change the 4mhz oscillagtor with a 6 mhx one and it works better than great

the only problem is tha somtimes, after several hour of playing, Amplifier hang ups the whole system :-(
Still don't understand why, maybe it's because the overclock, I'm looking for a 5mhz quartz in order to downclock it
