Some Best Buy stores will be getting the Nikon D300s and the D3000 in stock tomorrow (Thursday).
Henrys.com (Canada) will start shipping the D300s on September 2nd (next Wednesday). Another report from Canada mentions the end of next week for all Canadian Nikon resellers (for more info on Canada availability click here).
South African suppliers already have the D300s in stock (Cape Town).
Few readers from Germany and Switzerland already have the D300s in their hands. Sample shots available here and here (fore more reviews hit the Nikon review section).