Reduce clutter in PATH (only meteor.bat should be on path)
Use best mongo for your platform

Install three variants of MongoDB, and pick the right one at run time:
- v2.0.8 for XP, 2000, 2003
- v2.4.3-x86_64-2008plus for 64 bit platforms of 2008 R2 and above (inc.
Win7)
- v2.4.3-i386 for 32-bit platforms and Vista or 2008 R1
Always use the 32-bit 2.4.3 mongo.exe command line client.