As described earlier, my company Shopware send me to a three-month business trip to NYC. Here I summarized my first impressions.
This blog post points out some specific technical and SEO related issues that you might face when internationalizing and localizing online business using OXID eShop as your preferred system for distributed online shop installations.
Internationalization (i18n) of URIs is definitely a topic of note. Have you heard about transliterations or romanization for URLs/URIs yet? How do different writings scale in different search engines?