Option 1 will cause all outbound traffic to go through the HSRP active device, assuming the HSRP virtual IP is the gateway for Internet-bound traffic. This would not have any effect on how inbound traffic is routed.
Option 2 will be good for ensur...
Is that an RJ-45 to RJ-45 Serial connection? If so, you'll need them to be a "DS1 crossover" meaning that instead of crossing over pins 1 & 2 to positions 3 & 6 you instead need 3 & 4 to go to positions 5 & 6.
To diagram:
1 | 2 | 3 ...
Yes, that would work.
I agree that the documentation is confusing. What they are trying to express is that you cannot configure a vPC in L3 mode like you can if you're doing something like VSS or StackWise, which are Catalyst technologies not availab...
