Substitute for the unavailable Les Mills Pump?

Could prolly find a copy on ebay craigslist amazon or a goodwill type place

Ebay will have some occasionally. Amazon had something called XFit I think that looked similar.

Not an exact parallel by any means, but you could try barbell complexes. Complexes are a sequence of lifts that segue into one another smoothly so that, like in pump, you move from one lift to another without stopping. You also use a conservatively low weight because you have to be able to, for example, both upright row and press a weight that you'd also be using for a hang clean and a bent-over row. It's quick paced, like pump, and there are many, many sequences of complexes out there, so you can mix up the variety. I try to do barbell complexes a few times a week on my cardio days; they're far more interesting than, say, the treadmill, and you get a lot of bang for your buck, time-wise.

Barbell complexes were originally developed by Istvan Javorek, and you can find some sample complexes on his website: http://www.istvanjavorek.com/sample-exercises/

Or read more about it here: http://www.bodybuilding.com/fun/lift-to-burn-4-barbell-complexes-scorch-fat-increase-strength.html

But put on some good, pumping music (no pun intended) and slam out 15 to 30 minutes of complexes, and you'll feel it! It's a shorter, but more intense workout than pump, but the great thing about complexes is that there is infinite variety out there (just try google and you'll see) and you can tailor them to suit your goals and tastes, and can always tack on some ab work, too, if you want some additional variety.