Pluses and minuses:
Pluses for Wenger:
1. Locking blade is great! (S557)
2. Universal wrench is good (for smaller nuts)
3. Scissors work great
4. More compact size compared to 91 or Alox Vic
5. Slip joint pliers are good (enough)
Minuses for Wenger:
1. I've bent the corkscrew opening wine bottles
2. The can opener does not work as well on heavy duty cans as a Vic (locking can opener would help)
Pluses for Victorinox
1. Better corkscrew
2. Better can opener
3. ALOX!!!

4. Modifiable (moreso than Wenger)
5. Pen in scale tools
Minuses for Victorinox:
1. Fewer tool options (no universal wrench or chain breaker for instance)
2. Scissors are less robust
3. No locking blade option
That's my opinion. (At least for today)