My opinion is to invest into a solid set of trucks, bearings and wheels. The reason being is that these parts can be used on multiple decks (Just like boots/bindings with every set of skis). Spend some extra money on wheels, trucks, and bearings but keep on buying shop decks since you really are just paying for graphics for the deck. My recommendation on bearings are bones super reds. These have been going strong for me for about 2 years with no problems, or if your really want to invest, go with bones ceramics, i skated some and that shit was heaven. For wheels i would go with bones, they are very, very, very hard to flatspot and even if you do they will ride out in no time, plus they last a long as time. And for trucks i would recommend indys or thunders. And for the deck just get a shop deck, like i said you are paying for graphics.