no offense, but youre really ricing it out arent ya?
If you want a smooth dash, you will need to apply fiberglass to it; not sand it. Once the fiberglass has dried, you sand it, smooth it, fill it, and THEN paint it.
Dash Removal links:
http://www.honda-tech.com/zerothread?id=542841
http://www.honda-tech.com/zerothread?id=445834
http://www.honda-tech.com/zerothread?id=623228
http://www.honda-tech.com/zerothread?id=600430
http://www.honda-tech.com/zerothread?id=661308