It might help a particular company's profits, but I doubt all the gear spending by everyone on this board would have any measurable impact on the overall economy.
One thing that makes it difficult to offer suggestions to the OP is that product pricing in France appears to be substantially different than in the US. I suggested looking at the DR100mkii vs. the Zoom, and it turns out the DR is something like $100 more in France right now.
I came across a thread here asking about recorders for classical recording that I started to post, but using the search feature it appears there are several more that might be worth reading.
http://taperssection.com/index.php?action=search2The Tascam DR44wl has just been out a few months and therefore wasn't mentioned in the older threads. If it has better battery life and improved preamps, it might be worth the extra money not to mention the built in mics with shock protection.