If it's the older 384 sound you are looking for you should go ahead and get it.
To be sure, perhaps you should rent both units from a rental house and check to see if you like the newer one better. The Smart is worth checking too. as well as the clone often mentioned on this forum.
Here is the clone. http://www.gyraf.dk/gy_pd/ssl/ssl.htm
The XLogic G Series Compressor unit is a 1U rack mounting stereo compressor. It utilises the classic SSL G Series centre compressor design elements within a SuperAnalogue design topology. This brings the dual benefits of spectacular audio performance with a universally acclaimed compressor characteristic.
Either the website is full of crap or the the guy you spoke to is...