Become a Polyglot

I’m also learning languages on livemocha.com (Chinese and Spanish). They have good courses in several languages (they’ve recently added Icelandic! I was so surprised ;p).
Which languages do I want to speak? My mother tongue is Polish. I can also communicate in English, German, Russian. I’m learning Spanish and Chinese. I know some Latin. But I don’t feel like a polyglot… Maybe if I improve my skills, I’ll ;)