Balance furlough weeks' (Last time, under PRes. Clinton, 3 weeks & Monica came in, no pun intended) non-payment of federal wages and salaries against:
The Federal Reserve and other entities and agencies might be separate from the Treasury pay-outs which cease.
Federal tax refunds stop.
The mayor of New York, Bloomberg, pointed out that visa approvals will shut down, so those countries requiring non-reciprocity of Passport Visas are shut out, and NYCity loses much tourist income. The Statue of Liberty closed; 16K visitors a day in the Eastern Seaboard chilly springtime.
THe District of Columbia Cherry Blossom parade would be cancelled.
Actually, the D.C. cops who patrol the nation's Capitol are probably "essential services." [ANY federal employee who shows up when and if USA govt. shutdown, is Legally FIRED].
The US House of Representatives, due to stop work April 7, will continue in indefinite session, probably. A cushy job, running for re-election again every day after Veterans Day holiday.
There are peripheral issues in the Representative's measure. White House threatens veto. Big game of "Chicken." AIN'T gonna happen?