It's hard to pick a favorite between the two. The music, if you are not familiar with them, is heavily electronic dance pop, but the lyrics are very intelligent and imaginative, and the music tends toward the darkness. Barry Allen's vocals make him sound (as I've said before) like he's always smiling an evil smile. These guys deserved to get a lot more famous than they did.
This one's out of print. As of this writing, new copies at Amazon start around $120, used ones around $20 (but I can guarantee you that will change). They have sound samples of all tracks.