Not long time ago i was where u r right now. Diving gear is expensive, so unless u hv kind and numerous diving friends, u usually dont get much chances to try everything to see what u would like. More important, it takes time to get used to stuff, at least a few dives - which also means, u can get used to almost anything, so dont make too big fuss about it.
i m not a fanatic diving robot, and i am not 20 anymore
so this is my perspective - and i m writing this actually without much reading what ppl before me said here, coz everybody has his right opinion
so sorry if i m just repeating what other ppl hv already said:
1) both "wing-styled BCDs" and BPW are great options. i know more than one great divers, who keep diving BCDs. including an instructor friend who got Zeagle, he makes wonderful UW videos, hangs in water column steadily like a bancrupcy threat above Greece... if the stuff were really bad, these guys would not be using it for hundreds of dives and hours of footage.
2) on my dive 50, the guy in the dive shop (devondiver if i remember his nick correctly
just hang a BPW on my back, and i hv never looked back again.
3) for a single tank/wetsuit, i use BPW from DSS which is great: stainless backplate and their excellent lightweight tropical wing. Service was great, Tobin gave me very right advice abt sizes and everything. But there are also some clouds on the DSS sky. First, the supplied knife was not very good quality, got eaten by rust and i replaced it long time ago. When i dive with ppl who use straps from Dive Rite, i got feeling that after similar time of the use, their straps look less worn out than mine. Third, i dont know how old and flexible you are, but every time when i struggle to get out of hogarthian config, especially when in dry suit, i REALLY envy the guys who use system with buckles on the shoulder strap (OMS, Dive Rite etc.): CLICK and out u go. Fourth, and most important: DSS for some reasons has their own specific placement of holes on the plate. Which is absolutely perfect if u do the things their way. But once u want to attach something (weight pouches, or pouch for an SMB...) u simply cant coz the holes dont match and u have to find somebody who is able to drill 2-3mm thick stainless steel for you coz this is not exactly what your 29,- usd MadeInChina drill would survive in one piece. Tobin's response was, "u dont put SMB into a pouch, u stuff it into the vertical space between your back and the BP" - yes, he is right in his way, but i also have my reasons why i simply WANT to use the pouch - and i cant hang i on DSS BP.
4) for dry suit/twin tanks+stages diving i use a bigger wing of another great producer (a small, but very reliable EU company Anhinga) with the required lift.
So if i were you, i would try first to visit diveshops and RENT as many different rigs as you are able to do actual dives using them. Also, many manufacturers actually even let u try their stuff during some events and promotions. And then make your decision. The more u dive, the more configs u will end up with which will suit different types of diving.
Hv fun!