Ok, just got off the phone with CZ-USA. Here's the deal: The 01108 SKU is for dealer use. It does refer to a product with a 10-round magazine, contrary to what CZ' own web page says. Customers seeking a CZ 75B Stainless with 16-round mags (or are they 15? That, too, seems up in the air) should ask for SKU 91108. If I understood CA-USA correctly: All pistols ship from CZ as 01108, with 10-round magazines, and it's up to distributors to turn them into 91108s by swapping-out the 10-round mags for 16-round mags.
But wait: There's more!
Neither SKU will necessarily get you what you think you're ordering, much less what's shown on CZ-USA's web site. It seems that CZ arbitrarily decided to stop shipping matte stainless about four months ago, and started shipping everything in polished stainless. So: Unless you're looking right at it and can see for yourself that it's matte or polished, what you order may arrive as matte (if it was existing stock from four months ago or more) or it may be polished. If it's not from stock, it will almost certainly be polished. (The keywords there being "almost certainly.")
Neat, eh? Random product type delivery! You pays your nickel and you takes your chance!