I have recently acquired a panasonic HDC-HS300 I have figured a way to edit the AVCHD files in Final Cut Pro 5.1.4 on my 4 x 2.5GHz PowerPC G5 the videos output as DVCPRO HD 1080i50 beautiful quality. If you want to know how to edit AVCHD on a non intel mac just drop me a line.Snigel