Price question

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I have a Trek 7500 FX frame (2000 model I think) and two wheels. I was thinking about making it into a single speed. It has the brakes already and the fork. I was thinking about buying a drop handlebar and probably a new stem. Also I would need a new crank set and spacers right? Does anyone have any ideas on what parts to get. I am meaning to use this bike for training, so I'm thinking about get clipless pedals. With this in mind, what do you guys or gals think of the crankset to get?

Thankyou for reading this, feel free to comment.

Today my LBS will call me with an estimate. I'll post it later on. Hopefully it will be reasonable.