Vulnerable House lawmakers will face tough decisions next week when two competing tax bills come to the floor, and some Democrats are indicating they will back a Republican plan to extend all rates for another year.

Democratic leaders are expected to offer the proposal that passed the Senate on Wednesday, which extends the George W. Bush-era tax rates only for family income up to $250,000, as an alternative to the GOP measure.

Two House Democrats — Reps. Collin Peterson (Minn.) and Joe Donnelly (Ind.) — said they would vote with Republicans to extend all the tax rates through 2013. A third, Rep. Henry Cuellar (Texas), said he was leaning toward supporting a full extension as well.