I'm trying to design my project, Super OSD, to be as reliable as possible. I want it to work good as new when 5 years old. I hate unreliable products, environmentally it's a waste, and economically it's expensive.
To that end, I'm avoiding electrolytic capacitors, and I've spec'd everything at least 1.5x, most 2x where size/cost permits. However, I am still having to use tantalum bead caps for the on-board regulators of the microcontrollers.
Are there any other things I should be aware of?