It is a D3...hehe...the DS3 is a model of Andy's drysuit... :bonk:SeaJay once bubbled...
I haven't seen the DS3, O-man. You have a source online where I can see it?
http://www.suunto.com/pls/suunto/suunto2.pubmainpage.frameset
The only drawback is that is isn't a computer...more a bottom timer that keeps profiles. It performs no decompression calculations/NDL stuff...but if you don't need that, then you are golden..