Thoughts on other programming languages

With respect to their potential for bioinformatics web applications:

Feature Python Ruby
Modern, clean syntax, object-oriented Yes Yes
Web framework Django (and others) Rails (and others)
Bio library BioPython BioRuby
Extensive Bio graphics library Not really – any more than this? Kind of – Bio::Graphics
Use with App Engine Yes Not yet
Well-regarded by scientific programmers Yes M. Wood, J. Badger, ??

To the novice, it looks like “much of a muchness”. Thoughts?