With the arrival of the T-70 the T-65 seems pretty expensive for what it is. The extra shield and engine upgrade of the T-70 are worth more than the 3 point increase in cost. However, with the amount of stress builds that are going around now i'm not sure if Luke is now a really viable option.
The main reason for this is that his ability to change a focus to an evade when defending is not, unlike Poe, dependant on having a focus token. If you add predator as his elite ability this means a boost to attack and defence without the need to take an action. Add in R2-D2 and in taking green manoeuvres to remove the stress you get a shield back as well.
Not sure if i'm just too keen to start using Luke again but if I expect to be against a few stress builds he will definitely get a look in.