[SoundDiver] Sounddiver on a New Mac?

hi guys.  ive been getting some advice on this over on vintage synth explorer but I'd like some more opinions.

im planning on buying 1 of these immediately:

Mac Pro 4-Core
(2 Dual-Core 2.0GHZ Intel Xeon)
2GB/250/7300GT/SD
Mac OS X v10.5 Leopard 

or this:

Mac Pro 4-Core
(2 Dual-Core 2.66GHZ Intel Xeon)
1GB/250/7300GT/SD
Mac OS X v10.5 Leopard 

but first i want to be sure im going to be able to run sounddiver on it along with logic 8.  im using a ton of hardware synths so i really need sounddiver.  

im a registered logic and sounddiver user but havent upgraded in a loooong time.  the dongle ive got pre-dates usb (!).  

so, id like to know the following:

1. can i successfully run SD on Mac OS X v10.5 Leopard using Rosetta?
2. what problems have you guys encountered / what might I expect?
3. can I use the beta freeware without anything or do I need some kind of dongle / authorization?  i periodically reauthorize from CD, not sure which version offhand.
4. anything else i need to know?

the VSE thread is here in case anyones interested:
http://www.vintagesynth.org/phpBB2/viewtopic.php?t=33991&postdays=0&postorder=asc&start=0

thanks a ton for the help
mini


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