The music I was listening to was from their debut album. It appears to only be available in a digital format, so that's why I opted to buy Cosmic Egg since it's available on vinyl.
I have seen some of the comments calling them a "rip off" of AC/DC, Zeppelin, etc. There will always be detractors of most any band, and they're entitled to their opinions, I just don't have to agree with them.

There is a familiar feel to their music, but I don't feel like I'm listening to music that is just recycled 70's hard rock. It has a freshness and an honesty to it that I am attracted to. And yes, I think the lead singers voice does have a certain "Plant" feel to it, but how is that a bad thing? These guys seem like they love the music they're playing (from what I've seen of their live performances via the web) and if it is intentionally meant to sound like some of the earlier rockers, it's a fitting homage IMHO.
Thanks for the input gents!