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Another option are the Vixen scopes - they make 120 and 140mm scopes that they call neo-achromats (NA120 and NA140), they are achromats with four instead of two glass elements.
According to CN the colour correction is good and superior to a standard achromat but not as good as a true apo made with ED glasses. I saw the 120mm listed at $2000 at myastroshop and astro-optical has the 140mm on its website listed in the 2-3K price band.
If you don't like the Australian dollar prices you could alway just order the 120ED from Orion in the USA for US$2000 and pay shipping, customs etc.
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