Baccus have posted a new update on their website with their planned release schedule for the next few months as well as some news of the Gettysburg demo game that will be held at the OG World Championships.
From their website:
Starting with the latest first, work is well advanced for the Austrian army of 1866, so that those of you with Prussian armies can have some target practice. I hope to have these available by the end of October.
This has new cleared the decks for work to start in earnest on the replacement sculpts for the Russian Napoleonic range. The first releases will all be infantry and I expect to see these turning up before the end of November. There will be direct replacements for all of the existing codes plus lots of extras such as skirmishing infantry, and yes, the Pavlov grenadiers…
Check out their website for full details