Once you have pre-ordered Push, you can find the most up-to-date shipping estimate for your unit in your Ableton user account.
There are many factors that could affect the shipping schedule. For example, customs clearance time or bad weather. For this reason, we estimate shipping dates, rather than giving a fixed date.
If you need to change either your delivery details or your credit card information, please contact Ableton Support and we would be happy to help you with this.