Definitely shoot Jim an e-mail. He'll take care of you.
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I really don't mind spending some money on a great dive computer, mainly because I would like to buy one and have it be great for all the types of diving I'm interested in. instead of buying a <$300 now and then a >$800 one in the future, i rather just buy a >$800 now.
I'll say this again because it appears you haven't done so yet, call Jim Lapenta and have him put together a BP/W package, as well as a Hog regulator package, either streamlined OW style or long hose. It WILL be cheaper than your local dive shop. I appreciate personal connections, but at some point spending quite a bit of extra money to get an inferior product just no longer makes sense.
Avoid that Scubapro X-Tek nonsense. That's just Scubapro trying to cash in on a trend based on outward appearance, and a total misunderstanding of the actual concepts underlying the BP/W style of BCD.
Computer.....
If you get into technical diving, cave, wreck, etc., chances are you will be incurring a decompression obligation. They'll teach you how to deal with this in an AN/DP type of course. However, one of the requirements is a redundant timing device. Buying an inexpensive computer now, can serve as your backup once you get into technical diving. Either way you will need two pieces of gear, so why not get an inexpensive computer now that will do exactly what you need for the time being. When you finally do get to the point where you will be doing dives with multiple gasses, etc., you can purchase a more expensive computer like a Shearwater, and retain your less expensive computer as your redundant backup. This saves you money in the short run, and realistically saves you money in the long run as well, as aside from very few $800 computers, most are just unnecessarily expensive recreational computers doing no more than a $250 Geo 2.0.
Realistically the best choice you can make is this, call Jim and have him sell you:
Hog SS backplate, Jim will even thread it for you and all you have to do is make final adjustments.
Hog 23lb Wing, with an STA, more stable than cam straps alone.
Hog D1 w/Classic 2nd on a long hose, same as you will eventually be diving in the overhead.
Second Classic 2nd stage, on 22" bungeed short hose.
SPG on 24" hose with a bolt snap to attach to tour waist d-ring.
That takes care of the BP/W and regs. Inexpensive, will grow with you without having to replace a bunch of stuff. When you start diving doubles you'll buy a doubles wing and another 1st stage and just swap a couple hoses.
Computer, go to Leisure Pro and get an Oceanic Geo 2.0, or go to Dive Gear Express and get the Hollis DG03. They're both inexpensive nitrox capable computers. When you get to the point where you need a mixed gas technical computer, get a Shearwater of whatever flavor and use your old computer in gauge mode as a backup bottom timer.
What think about something like a Mares Puck?
I bought one, I think I paid $169 at Leisure Pro. It does nitrox and has user replaceable battery and gauge mode. It fit my criteria for cheap and features I needed for basic dives.