Hi

I have an A500 and a BenQ 19" TFT screen
Specs here:

Signal Analog: RGB
Digital: DVI
Frequency Horizontal: 57.6KHz - 82KHz
Vertical: 60KHz - 77KHz
Bandwidth 45-68.4 MHz
Input Connectors
1 x VGA - 15 pin HD D-Sub (HD-15)
1 x DVI-D

What are my options for hooking these two up?

Things I have seen include

A very simple connector 25pin-D to 15pin-VGA (this apparently only works if your monitor supports 15khz horiz)

A scandoubler like the indivision one at amigakit.com (this costs ?109 though which is too steep)

....
Any other suggestions?