My advice is not coming from a place of extensive experience, let's just say, but it is coming from a guy (me
) who also started with Starting Strength, then went onto other things, and wished he'd just found something like...
, a bit sooner. There's also what looks like a good upper/lower in the same forum, among others (many others).
Honestly though, any decent routine should do the trick. Sort your medium-term goals out, and gun for 'em.