It's been confirmed there will be a boxed version. From their website:
"BOLD GAMES TO PUBLISH $1,000,000 CONTEST WINNER
RED ORCHESTRA: OSTFRONT 41-45 COMING TO YOUR PC THIS MARCH
MINNEAPOLIS, MN – January, 24 – Destineer
Publishing’s Bold label has announced today a global publishing agreement with Tripwire Interactive, winners of the NVIDIA $1,000,000 Make Something Unreal Contest, that will bring the highly-anticipated World War II first-person shooter: Red Orchestra: Ostfront 41-45 to PCs this March."
www.redorchestragame.com As far as steam release, no real news on when that'll be out. Hopefully soon.