Comcast in chicago is actually very good. That commerical is obviously BS but comcast does have 54 actual HD channels here, some which directv does not have.
Comcast Chicago HD Stations
01 - 169 NFL Network
02 - 171 AMC
03 - 173 ESPN
04 - 174 MOJO
05 - 175 History
06 - 176 TLC
07 - 177 Sci-Fi
08 - 179 HGTV
09 - 181 Food Network
10 - 183 WCIU (Independent)
11 - 184 WPWR (My Network)
12 - 185 Showtime
13 - 186 HBO
14 - 187 WLS (ABC)
15 - 188 WMAQ (NBC)
16 - 189 WBBM (CBS)
17 - 190 WFLD (Fox)
18 - 191 WTTW (PBS)
19 - 192 WGN (CW)
20 - 195 Cinemax
21 - 196 Starz
22 - 197 Disney
23 - 198 ABC Family
24 - 199 Versus/Golf
25 - 200 Comcast SportsNet
26 - 203 ESPN2
27 - 204 TNT
28 - 205 HD Theater
29 - 206 National Geographic
30 - 207 Universal
31 - 208 A&E
32 - 209 MHD
33 - 212 Science
34 - 216 CNN
35 - 218 Discovery Channel
36 - 219 TBS
37 - 221 USA
38 - 224 Animal Planet
39 - 227 Hallmark Movie Channel
40 - 234 NHL Network
41 - 235 NBA TV
42 - 237 Speed
43 - 256 Big Ten Network
44 - 263 Encore
45 - 264 Fox Business Network
46 - 265 Fox News Channel
47 - 266 CNBC
48 - 267 FX
49 - 270 Weather Channel
50 - 278 Bravo
51 - 279 Fuse
52 - 280 Independent Film Channel (IFC)
53 - 281 WE
54 - 282 QVC