The modern card market with Yelich as example

[WillBBC]

If you're actually opening those packs/boxes and you hit one of those, it's far from annoying. The odds aren't super tough but when it's 1:box and you hit the big rookie, it's a darn good feeling!

[AGuinness]

I like the image variation cards, although some images are much much better than others. I think the variation cards (SP/SSP) could continue to be very desirable as time goes on.
Mookie's 2014 Update RC has this variation: