I have not gotten a whole lot done lately, but did get the front panel cut out. I used a jigsaw with a guide clamped to the panel. In hindsight, I wish I had used my circular saw. Even with the guide I did not end up with a straight edge, and spent hours sanding to get it uniform. I hope to get the tank screwed and glued over the next couple of days.
NNiners4952. I may take you up on the silicone offer. Your 600 turned out awesome so I really appreciate all the tips.