I can also understand why they would not disclose until they get what they need to do it. Just don't let it be a useless performance art demonstration (Smitty's House of Representatives PSA)
The Blaze describes how the vote will happen.
Andy at AoSHQ: Prediction
WaPo: Some Drama?
Protein Wisdom: Can this Weeping Orange Force of Nature be stopped?
Jim Geraghty: High Drama?
Matt Lewis: How to do it…
Instapundit: Boehner gets by with a little help from missing Dems...
Dump Boehner Junta Fails
Boehner takes revenge on those who opposed him (too bad he can't be that tough with Democrats)
Wombat : Boehner reelected despite opposition