Comparison of approaches

Webby - No ASP.NET controls.  Straight HTML
Netty - ASP.NET controls 
  (not necesarily the "correct" way, but a commonly used way)

Columns are: bytes of code, lines of code, bytes sent to browser

bytes sent to browser for a specific blog/comment use case

Webby

Default.aspx - 1294 bytes - 37 lines - 1956 bytes
Default.aspx.cs - 331 bytes - 16 lines
editPost.aspx - 925 bytes - 15 lines - 964 bytes
editPost.aspx.cs - 879 bytes - 30 lines
view.aspx - 1468 bytes - 30 lines - 1834 bytes
view.aspx.cs - 1079 bytes - 35 lines

Totals - 5976 bytes - 174 lines - 4754 bytes
Percent - (12%) - 10% - (30%)

Netty

Default.aspx - 1384 bytes - 22 lines - 1903 bytes
Default.aspx.cs - 300 bytes - 15 lines
editPost.aspx - 912 bytes - 15 lines - 1655 bytes
editPost.aspx.cs - 1122 bytes - 37 lines
view.aspx - 1638 bytes - 27 lines - 2816 bytes
view.aspx.cs - 1442 bytes - 42 lines

Totals - 6798 bytes - 158 lines - 6374 bytes