As expected, Apple opened up pre-orders for the new iPhone XS models and Apple Watch Series 4 in the wee hours of this morning, While the ship dates on the iPhone XS Max started to slip within about a half-hour, according to MacRumors, the standard iPhone XS models remain available for Sept. 21 delivery even now — perhaps not surprising considering its similarity to last year’s iPhone X — as does the lower-capacity 64 GB iPhone XS Max. Apple…