Yes. Highly recommended for Superman and Wonder Woman alone. I like the mech a lot. You could easily modify it to suit (pun intended) your needs. I think all the $20 super hero sets are amazing values for the minifigs you get. I got an extra of 6862 using Barnes & Noble coupon and membership discount for under $16 before tax.
6862, the Power Armor Lex Luthor set, is awesome. So much fun to build, incredible posable, and great figures as well. And all for $20 or less. It is one of those no brainer sets.
I just realized I have not yet posed the Lex suit fighting Shelob yet. I must do that soon. Imagine it as a scene from the failed Tim Burton Superman movie.
Damn it, now I need to go buy this set before it's too late...