The consensus among analysts today is $55.5 billion and rising, according to Thomson Finance. (High estimate: $59.46 billion; low: $51.37 million.)
We’ll have more details — including unit sales estimates — when the results of Fortune’s quarterly survey come in.
The main theme in the notes we’ve seen so far — including the one today from RBC’s Amit Daryanani, in which he raised his price target to $142 — is the continued strength of iPhone sales, especially in China. Six weeks after Asian New Year’s sales peaked, long lines still gather everyday outside Beijing’s Apple Stores.
Tim Cook’s conference call with the analysts will be live streamed. To get the link, go to Apple Investor Relations page a few days before the event.
Below: Apple’s guidance for fiscal Q2:
- Revenue: Between $52 billion and $55 billion
- Gross margin: Between 38.5% and 39.5%
- Operating expenses: Between $5.4 billion and $5.5 billion
- Other income/(expense): $350 million
- Tax rate: 26.3%
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Follow Philip Elmer-DeWitt on Twitter at @philiped. Read his Apple (AAPL) coverage at fortune.com/ped or subscribe via his RSS feed.