Welcome Tahoe
Just a quick note before you buy that internal scandoubler: check the threads here first because some users have reported problems with them. If I remember correctly, the complaint with one of the units was that it was 16 bit instead of 24 bit.
Ah, I found the relevant thread:
http://www.amiga.org/forums/showthread.php?t=11365I was also looking for a scandoubler/flicker fixer and I was at a loss over what to do, but luckily I have an A4000T and I have found someone selling a Picasso IV, so my problems will soon be gone. Hope it works out for you.