Hi Boofy, when I started my coffee journey a couple of years ago I purchased basic equipment and thought it was great but soon I was yearning for an upgrade and purchased a Silvia/Rocky combo, added PID to Silvia and things were great, then I decided I needed an HX to be able to cater for groups of guests wanting milk drinks, purchased the HX and now thanks to Kevin Rudds donation I am looking at a new grinder in the Mazzer Super Jolly, Macap M4D range.
If you are searching for great espresso get the best possible grinder you can afford, even if you have to wait a little longer for an espresso machine.
The Compak K3 is very popular with CSers and you could do far worse than go for it.
Good luck with your decision
and be warned upgraditis is always lurking just around the corner!!!!