I believe that I read that the OD custard is their original custard. They then made a slightly different custard, in the V Liquid line. I could be wrong about this, but I do think I remember someone who had tried both, and that they were different.
I read a number of the reviews of the Strawberry OD, and several of them said the strawberry, while present, was very faint, and you only tasted it on the exhale.
I figured I'd add a boost of strawberry to it, as I want to taste the strawberry, perhaps not as much as the custard, but I do want it to be very noticable.
I happened to call Dr. Crimmy's and a very nice woman answered the phone. I told her that I had ordered the Strawberry OD, and added a boost of Strawberry, and she said that that's how she like's it, that it makes it a perfect blend of the custard and strawberry flavors. I didn't add a boost of the OD (custard) as people had said in the reviews that the custard was very prominent.
Guess I'll find out!