New Toy (Refractometer in the house)

First batch was done without taking any specific gravity measurements, mainly because I didn't have a hydrometer, but also because taking 4-5 4oz measurements from a 1 gallon batch is upwards to 12% of that precious beer. So before I start on Batch #2, I bought:

I bought the refractometer from this company, but the same company sells them on Ebay, for about $4 cheaper. It shipped to me FAST, and seems a fairly sturdy device, given the cost ($25.40).

Here's an interesting podcast from Basic Brewing Radio, about Hydrometers and Refractometers, in case you're curious.

Now I feel like brewing something and involving JigaWatt in the name...