In these tests, tables giving a fixed width to left col are:
Firefox: 1, 2, 4, 5, 7, and 9;
IE6.0: 1, 2, 4, 5, and 7;
Amaya-9.3: 4, 5, and 7, but does not accommodate graphic vertically in 7.

Amaya does not appear to recognize the :first-child pseudo-element.

Table 1

Top left cell Top right cell
Left column
MMMMMMMMMM

Left column width specified by colgroup/col at 150px
Top row height by td inline style

Table 2

Top left cell Top right cell
Left column
MMMMMMMMMM

Left column width and height specified by inline style:
td width: 10em; height: 60px;
Table 3
Top left cell Top right cell
Left column
MMMMMMMMMM

Left column width specified by col left_class at 150px
Top row height by td header class
Table 3a
Top left cell Top right cell
Left column
MMMMMMMMMM

Version A. Left column width specified by col left_class at 150px
Top row height by td header class
Table 4
Top left cell Top right cell
Left column
MMMMMMMMMM

Left column width and height specified by inline style
of top left cell: td width: 150px; height: 60px;
Table 5
Top left cell Top right cell
Left column
MMMMMMMMMM

Left column width specified by td left_id at 150px

Top row height by td header class
Table 6
Top right cell
Left column
MMMMMMMMMM

Left column width and top row height specified by
logo class at 8x8px, forced to fit 180x60px graphic
Table 7
Graphic 180x60px Top right cell
Left column
MMMMMMMMMM

Left column width and top row height specified by
inline style at 4x4px, forced to fit 180x60px graphic
Table 8
Graphic 180x60px Top right cell
Left column
MMMMMMMMMM

Left column width and top row height specified by
td having classes header and left_col
Table 9
Graphic 180x60px Top right cell
Left column
MMMMMMMMMM

Left column width and top row height specified by
td:first-child at 180 x 60 px
Content outside table.