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Performance in HD modes is pretty darn close with or without EDIUS hardware.

Overall realtime performance is a combination of:
1) Source type (framesize/rate) versus project framesize/rate, as well as compression format (but not in a transcoding way - just some compression methods like MPEG are more difficult to decode)
2) Drive transfer speed in relation to source clip bandwidth (can't pull 400 Mbps of data off storage that only supports 100 Mbps, for example)
3) Any additional processing being done

Working with HD - either in Canopus HD, Canopus HQ, or native HDV formats will be... challenging on a single P4. Canopus HQ or Canopus HD would give you better performance versus HDV, but it'll be a matter of what you're doing. Remember that HD framesize is 5-6 times larger than SD, so it's way more to process.

Another very important thing about EDIUS is that it always processes in full-quality, full-framerate. There is no "draft" or "preview" mode in EDIUS. It is designed for WYSIWYG editing, so, save for any recompression of output, what you see while editing is exactly what you'd get on the output.

It's a bit of a different mentality from some other editors that sacrifice framerate and/or resolution for smooth preview playback.

Brandon
 
Yep, Edius works great with 1080i Pal frames, but when importing 720p Pal frames, it can import only audio, no video at all :( damn

Edius is a really fast killer app and it doesnt need too much HW to works smooth.
 
i tried 2 import my first hd footage(just dvcpro 50 before)- i got the same bad experience as the others-nothing works!

Thats really a pitty fot PAL countries, cause i am really on the fence 2 by edius, but its no use if we dont get 720p/720 pn in pal countries!!

Maybe mr. bhiga would be so kind to use his insider knowledge and tell us whats planned for us pal-buddies with edius 4!????

So please give us some info about it, cause the canopus solution seems the best one, not only to stick with pc, but great in general with the p2 implementation, IF we get the right tools with the upgrade!
 
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