If you want some sort of objective test of print quality, the IOF mapping commission has a test map (printtech2006.ocd, available from
http://lazarus.elte.hu/mc/print-tech/index.html - I suggest you generate your own PDF from OCAD rather than use the IOF's version) that you can print with candidate printers. Your national federation should have copies of an offset-printed version for comparison.
In Tasmania, we use both laser and inkjet printers, but at the cheap end, inkjet will produce much better quality maps if you can live with its limitations. For inkjet printing, we use Canon HR101N paper (around 15 cents/sheet A4) which is inkfast (see sample just out of the sink after being fully immersed)
https://picasaweb.google.com/107113347193892536299...#