I have the first DVD, but not the second. The first is quite good- certainly better than how K9 Nosework (as an organization) wants you to train it! I've also heard very good things about Denise Fenzi's methods.
C-ATCH Pimg - DOB: 2/06, RATO, UJJ (x2), DJA, HIT, CA, CGC, High in Games, Reserve High in Standard- CPE Nationals 2014
RATCHX2 High Jinks vom Neuanfang - DOB 9/12 (Gotchya Day: 1/23/2013) DN, CA, agility superstar in training