Here's a phenomenal preset, in my not-so-humble opinion:
Code
hlsl_enable               1
hlslpath                  hlsl
shadow_mask_alpha         0.6
shadow_mask_texture       aperture.png
shadow_mask_pix_width     3.0
shadow_mask_pix_height    3.0
shadow_mask_usize         0.1875
shadow_mask_vsize         0.1875
oversample_x              1.0
oversample_y              1.0
pincushion_x              0.06
pincushion_y              0.06
scanline_alpha            0.0
scanline_size             1.0
scanline_bright_scale     1.0
scanline_bright_offset    0.7
scanline_jitter           0.0
defocus_x                 0.0
defocus_y                 0.0
red_converge_x            0.1
red_converge_y            0.0
green_converge_x          0.0
green_converge_y         -0.1
blue_converge_x          -0.05
blue_converge_y           0.05
red_radial_converge_x     0.0
red_radial_converge_y     0.0
green_radial_converge_x   0.0
green_radial_converge_y   0.0
blue_radial_converge_x    0.0
blue_radial_converge_y    0.0
red_from_r                0.9
red_from_g                0.1
red_from_b                0.0
green_from_r              0.0
green_from_g              0.9
green_from_b              0.1
blue_from_r               0.1
blue_from_g               0.0
blue_from_b               0.9
saturation                1.4
red_offset                0.0
green_offset              0.0
blue_offset               0.0
red_scale                 1.25
green_scale               1.25
blue_scale                1.25
red_power                 2.2
green_power               2.2
blue_power                2.2
red_floor                 0.05
green_floor               0.05
blue_floor                0.05
red_phosphor_life         0.4
green_phosphor_life       0.4
blue_phosphor_life        0.4
y_from_y                  1.0
y_from_i                  0.0
y_from_q                  0.0
i_from_y                  0.0
i_from_i                  1.0
i_from_q                  0.0
q_from_y                  0.0
q_from_i                  0.0
q_from_q                  1.0
y_scale                   1.0
i_scale                   1.2
q_scale                   1.0
y_offset                  0.0
i_offset                  0.0
q_offset                  0.0
subsample_length          3.0
dot_crawl_width           1.0
dot_crawl_height          3.0
dot_crawl_rate            3
dot_crawl_skip            2
edge_amount               1.0
edge_ratio                0.0

If you have the GPU grunt to spare - at least a Radeon 5970 or equivalent - then crank the oversampling up to 3.0, the experience borders on religious.