My personal opinion.........dive into growing the various oysters in the same manner as you learned the cubie technique(s). NOT that they are grown the exact same way but that you learned from others HOW to do it. Oysters are very aggressive species and they are quite tasty too. They are also fairly easy to grow on many substrates. Once you generate clean grain spawn via the (agar->grain->??) route it's pretty much on. I have found the method of inoculation via agar wedges to sterile rye to be extremely effective as shown in many books on the subject. This of course is demonstrated repeatedly in the OMC and elsewhere by numerous examples. There is a ton of info available.....Topia is a GREAT PLACE for pretty much endless study on the various topics...
IMHO......First thing to do is figure out a substrate you have readily available and then work up (as in study and adopt/apply one of the MANY methods) a method of creating the colonized fruiting "block(s)". Bag culturing works, buckets work, beds outside work, and etc. etc. By far the biggest difference will be fruiting. Oysters NEED way more fresh air than cubes and in fact my outdoor blocks of oysters get hydrated via the garden hose and natural rain so there are some differences of course. One of the most important things that I've learned is that it is the fungus itself that teaches us how and what it needs....repetition brings familiarity and experience, which I call inter-species communication.
Growing and studying mushrooms is fun regardless of the species, oysters are a great place to start especially since you've been successful with cubes...
Good fungal growing vibes to you!
A