Hi - I have about $100K sitting in a money market that I should probably do something smarter with.

I fly fairly regularly to visit my girlfriend. I use AA miles for these trips sometimes, the rest of the time the tickets cost ~$300-500. So the standard value of about $0.02/mile holds true for me.

I have an AA visa that I got with a 50K promotion (no 75K - this was before I found FT). I use it fairly regularly and put maybe $1K or so/month on it. I don't travel much for work (they keep on promising me that I'll fly to far off exotic places... and yet they haven't sent me anywhere yet...)

I already have some money with Vanguard (Roth IRA + other investments) and I want to keep a chunk of change in my checking. But that leaves me with about $100K I can play with. I'm thinking about putting it in a Fidelity account, but I'm not sure if this is a good idea or not.

Ideas?