Sigh, I feel like I'm getting old. I just found out that the LM567 has been end-of-lifed by National some time ago. Others still carry it but next thing you know the 555 and 301 op amps will be just so many memories.
My latest effort has been the Servo Gizmo which is a PIC based board for implementing action at a distance. It started life as a means to control the pneumatics on two of our team's BattleBots, but has since evolved into something much more useful than that.