indivision aga4000 is not available 
( in amigakit.com (( picasso IV is not in my budget
I have been wanting an Indivision AGA for years now... Just not willing to pay EBAY prices.
You could always sell the scandoubler and get the Dell SR2320L monitor. I just got this monitor and I'm very happy with it for use with my A1200.
http://www.amiga.org/forums/showthread.php?t=58860
