Dullcoat or Future

You could use one, other or both, depending on what you are doing.

Both will "seal" the paint, but Dullcoat has a matt finish & Future has a gloss finish. If you have decals to apply, you should gloss coat & apply the decals to this to prevent silvering & then finish in the appropriate matt / satin / gloss finish you want.

As well as Dullcoat, Glosscoat is also available & the gloss finish of Future can be also be modified anywher from hi-gloss to very matt with the addition of the likes of Tamiya Flat Base to it, so no matter what you want either can be acheived with either range.

With regards to Future & Flat Base, this article may assist;

http://www.swannysmodels.com/TheCompleteFuture.html

HI I don't mean to chim in but I also need advise  will dullcote lacquer mixed with future give my model a faded look and get rid of the shiny look and will MM flat clear lacquer mixed with future do the same or can I airbrush the flat clear on using the proper thinner-thank you

First of all - NEVER MIX LACQUER WITH ANY OTHER PAINT!!!! This is  no-no! Lacquer is more than powerful enough to be a durable coating without any other materials mixed with it. Never spray lacquer over acrylic, or any other paint - this will ruin it! Lacquer is highly solvent based, and it will lift, and wrinkle any paint surface under it. Just spray gloss acrylic over your decals. Then let them dry. You can use Krylon flat clearcoat over that without fear of "silvering" or the decal film being visible under it. Dullcoat should be enough by itself. Most acrylics won't penetrate the decal film, but dullcoat is made to. This should be all you'll ever need.

I recommend Pollyscale satin or flat, its water based so much easier clean up. But any other 'flat' finish like Testors Dullcote will work.

I am glad you brought this up... I use Future to seal the paint before I apply decals.  Then second coat to seal the decals before I can weatherize the kit.  BUT my question is if I use ARCYLIC oil paint (Winsor & Newton) to do the dots filtering job... will it be OK to spray Testors Dullcote to protect the paint job? 

deafpanzer

I am glad you brought this up... I use Future to seal the paint before I apply decals.  Then second coat to seal the decals before I can weatherize the kit.  BUT my question is if I use ARCYLIC oil paint (Winsor & Newton) to do the dots filtering job... will it be OK to spray Testors Dullcote to protect the paint job? 

Sorry, but I don't know what Acrylic oil paint is. Newton & Winston has Oil, Acrylic, and water based paint. They do have a new line of oil based paint that is water-clean up, don't know about that as I've never used it. Acrylic paint is usually water soluable but could be alcohol based as far as I know, so it's normally not affected by enamel type paint like Dullcote.