OM-3 at BHphoto, Amazon, Adorama, OM store USA.
Here is a new bunch of OM-3 reviews with comparison with other cameras:
The OM-3: First Impressions From a Fuji User
XE5 vs OM3: Best Camera for Father’s Day?
I bought another retro style camera … Hands on OM System OM3 as a Nikon Zf user
This Camera Made Photography Fun Again | OM SYSTEMS OM-3