I'm just kidding!
Are you asking "Buy now or buy later" and want to assess the odds whether Omega is planning to give up Hesalite altogether? I don't think this is ever going to happen. This is the ICONIC version!
What CAN happen is that Omega suddenly changes the contents of the package, or details of the watch (bracelet etc.). Minor changes happened several times in the past. Typically, changes are announced during Baselworld. Baselworld 2017 opens March 23. Before the fair, you can only ask your glass bowl.
If you want to buy new and are happy with the current package, go for it! But be aware that future presentation boxes MIGHT contain 3D glasses, a coffeemaker(*) or a bedside radio with a snooze function. All this you are gonna miss if you buy NOW ... (once again kidding).
(*)Not so unrealistic. Recently they added external power supply to the box:
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