Vine grabbed his first goal of the season when he came on as a substitute towards the end of the impressive 4-1 win over Reading on Tuesday night - Rangers' third straight home victory.
"We train as we play and we're really starting to reap the benefits of everything we have done since the first day of pre-season," said the former Luton and Birmingham frontman.
"Some of the football we are playing at the moment is unbelievable and it's quite frightening when you look at the players who are currently out of the side for one reason or another.
"It's as good as I've known it at QPR in terms of the quality of football we are producing. Probably the best I've ever been involved with in my career."