Allied visiontec Cameras and GigE

Hello people , i was looking for some ethernet cameras and i was wondering which ones you could recomend i know some of you used Ids gigE successfully , could you mention some models and also if any conflict using 2 or 3 in same computer . I,m interested in this one
http://www.ids-imaging.de/pdfmodule/products_pdf.php?partner_id=459&product=UI-5240cp&changeLang=e
i was also having a look at those anyone tried them http://www.alliedvisiontec.com/index.php?id=570

regards and thx