Here's a phenomenal preset, in my not-so-humble opinion:
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.