Arcade Super street fighter 2 vs Street fighter 2 Champion edition

What's the difference apart from 4 new characters? An intro not as iconic, music/ost not as good , Kenneth has a new speed boat, everybody sounds like they've been on helium and what was dusk/dawn is now blue sky and what was blue sky is now dusk/dawn sky.
00:00 Character select
0:30 Graphics comparison E. Honda
1:55 Graphics comparison Blanka
3:22 Graphics comparison Guile
4:45 Graphics comparison Ken
6:11 Graphics comparison Chun li
7:38 Graphics comparison Zangief
9:08 Graphics comparison Dhalsim
10:35 Graphics comparison Ryu
12:02 Graphics comparison Balrog (M.Bison)
13:29 Graphics comparison Vega (Balrog)
14:57 Graphics comparison Sagat
16:25 Graphics comparison M.Bison (Vega)
17:50 Ending comparison
20:17 Bonus stage comparisons
22:27 Character select
23:18 Guile SF2
24:45 Guile Super SF2
26:13 E.Honda SF2
27:35 E.Honda Super SF2
29:00 Blanka SF2
30:25 Blanka Super SF2
31:54 Chun li SF2
33:20 Chun li Super SF2
34:45 Zangief SF2
36:10 Zangief Super SF2
37:42 Dhalsim SF2
39:04 Dhalsim Super SF2
40:36 Ryu SF2
42:05 Ryu Super SF2
43:30 Ken SF2
44:55 Ken Super SF2
46:23 Balrog SF2
47:47 Balrog Super SF2
49:11 Vega SF2
50:35 Vega Super SF2
52:04 Sagat SF2
53:32 Sagat Super SF2
54:56 M.Bison SF2
56:23 M.Bison Super SF2