It took me about 100 hours to do. SICP is about twice as long, so I'd guess manually typesetting it should take about 200 hours.
They are perfect for conversion to vector format using Inkscape's "Trace Bitmap" feature. Doing this should take you less than a minute per diagram.
It took me about 100 hours to do. SICP is about twice as long, so I'd guess manually typesetting it should take about 200 hours.