I really like Rochard though its sluggish on my Mac (mid 2009 MBP). I look forward to playing it on a more capable machine. I love the music though, bought the soundtrack in lossless format Hopefully a sequel will come.
Humble Weekly Sale Rochard is now in the Humble Weekly Sale at http://humblebundle.com/weekly. Hard Times + OST + Digital Art Book are included. It's a pay-what-you-want deal.