Hello. I hate to say it but personally I've found these boxes to be a complete waste of money. The picture quality (if you manage to get one!) is dreadfull!
For your info I've tried :-
V-Stream xpert tv box hi-res (about£50) - dreafull all round!
Vision VTB100 (£120) - jumpy picture
Cypress tech scart rgb to xga convertor (£100) - very fuzzy but useable for games(just)
Daewoo DSA-9310E - best of all but not even tv modulator quality!
Theyve all been tried through both composite and RGB scart. The vtb100 and v-stream by going into a Keene electronics rgb scart to svideo convertor.
I've since bitten the bullet and paid a fortune for an internal scan doubler and flicker fixer on ebay. Just wish I'd done that in the first place!
There must be something about the way that the amiga makes the video signals as most boxes above are excellent when used with any modern equipment i.e gamecube/xbox etc
