calipers or carriers

what are they then guys So befdore I go chasing power I want to be able to stop I have seen some people go for the LCR Brembos some Go for Porsche just wanted toknow are there any other sensible options for example a quick search of ebay finds - all below are cheaper than any of...

Ive just got a set of TT calipers and carriers and they realy need a good derust before i paint them.Any idears what tool is best other than a strait edge screw driver and a wire brush.I did thing about getting them shot blasted but im worried about the piston hole .