Ask HN: How do I pick a logo? /$500 99designs contest with 70 entries/

I kicked of a $500 99designs contest for my logo on Friday and received over 70 submissions already. I eliminated the most obvious suspects and asked friends and family for help.

The contest doesn't end until Friday and I wonder if there's an algorithm of sorts I can use to tackle existing designs and the ones that will, undoubtedly, be coming.

I understand that combinations of deep red and black don't make for a good web site built around the logo. I also find myself partial to the sci-fi 3D orbs -and- the flat shape designs like #55 or #11.

http://wagerlabs.com/logo-contest-for-algokit

Other bits of interest... This is for a web-based compiler (source-to-source translator) between various trading languages. The aim is to enable users to migrate between platforms at a push of a button, without having to manually rewrite their strategies. The plan is to charge $400-600 per translation.

Translator is written in OCaml, the backend is OCaml with Ocsigen, uses Amazon SimpleDB and S3 and Plimus for payment processing.