Sheesh, this is shipping fodder if I ever saw any! O_o Kind of blatant, really... *approves vigorously*
On a more general level, it's nice to see characters not shouting incoherent accusations in colourful fonts at each other while striking overdramatic poses in front of flashing lightning. This is far more moving.
I'm not completely sure about the art style (it's lovely overall, but strangely angular in places), but I definitely like pretty!Tim better than the steroid wonder we got recently. And the cowl on/cowl off contrast made me like the Red Robin costume for the first time ever.