This picture is no longer correct. The belt's first slot is type 1. I typically save the points for the best items with the best augs to put in them, but I bought this belt because I think for druid it is superior to the other, more expensive ones, despite not having a slot 3. About the only thing you're missing out on from the one twice the point cost is the saves and the strength. The agility is hard to come by for druid and assuming your agi isn't already at the cap, it makes up for the 6 you lose. Not to mention you're also looking at an extra 10 wis not found on the higher end belts.
Actually, there are still versions of this out there that are 2/2 (see magelo link). It's just that you would have had to have bought it in the first couple of weeks after LDoN was release to get the 2/2 version. All that's available now is the 1/2 version (see Lucy's link).
Melee types can buy Belt of Gray Flesh with the exact same stats for 510 points, but this one costs casters & priests 760 points. Only difference I can see is theirs is types 1,3 and this one is types 2,2. IMO type 3 >> type 2.