How many LP's

Lewm, you make a good point. For every one of those 100 jewels there are many also-rans.

As for which ones? Other than the usual workhorses, La Spagna (BIS); Scottish Lute Music (BIS); Laudate (Proprius); Cantate Domino (Proprius); Wagner's Ring Cycle (Solti - the best is on Telefunken);   Hearing Solar Winds by Hykes (Ocora); Gorecki Symphonie #3, with Stefania Woytowicz (Erato - sound track to the movie Police); Salve Feste Dies (Phillips); Beethoven's Emperor by Gieseking (Varese - stereo - repeat stereo - recording from WW2 Berlin - you can hear the anti-aircraft cannon at one point - and you hear the Emperor as you've not heard it before).

Last night I picked out of my Duke Ellington collection a Pablo LP, "Duke's Big 4", or something like that.  Turns out I have two copies of this LP, and one is an original German pressing.  Needless to say, that's the one that got spun. Duke + Ray Brown + Joe Pass + Louis Bellson.  Wow!!!!  Was not in regular rotation.  Great fun. Pablo's with the blue/white label are fantastic.

This put me in the mood for more jazz piano, so I got out Oscar Peterson in a quartet, also with Ray Brown on bass.  Another wonderful experience from my not regular LPs.

I'm more of a quality over quantity guy. I got back into vinyl about 7 years ago. I'm 55. I had vinyl, 8 track, cassette, cd, said, DVD-A, downloads in multiple configurations and now back to vinyl. I don't know how many albums I have now but it's over 700. If I can get a 45rpm version of the album I will always get that one. I stay away from the bargain bins. I like to get a new copy off the master tapes if that's available. I don't have a problem buying a used album from a collector either on Discogs or my local record store. One of them buys collections and separates the really good stuff. I live in New Orleans and there are 4 record stores walking distance from my house and another 2 within 3-4 miles. So I'm fortunate. I haven't figured a good way to catalogue them without actually going through them. I listen to everything I have, obviously some more than others. But I have no problem pulling something out blindly. I used to have a large wine collection. There were wines I wouldn't drink unless it was a special occasion. Then I got into a motorcycle accident. Everyday became a special occasion. If somebody was over I would blindly pull from the cellar and pull the cork. It's the same with my vinyl collection now. If I bought it, I must've of liked it so why not listen to it. If I want to listen to something I'll go for it but sometimes I just randomly pull. That's why I have more than a few albums.

@bdp24 

About that TransFi arm - let us know when you get it. May I suggest a few mods?

1. If your table is not suspended, it may benefit from an aluminum tower. I use 2" aluminum rod.
2. The arm has flat surfaces, which allows you to add damping gel all over the place.
3. The wand has holes of about 0.25". That's ideal for adding brass weights to increase the mass. Helps with cartridge matching.
4. I use a premium aquarium pump from HiBlow. That air goes into a surge tank built like a glass pack muffler, thence to a precision regulator (Fairchild), then a gauge (mm of mercury), then another surge tank. I use pressures ranging from 10 mm Hg to 35, depending on cartridge, record, and mood.
5. TransFi wand can be matched to the cartridge with immense precision. I use a very smooth calliper to adjust the cartridge into perfect (0.0004") alignment with the wand, then a torque screw driver to adjust torque.
6. Other adjustments are indicated in the manual. Some are easy, some fiddly, but all are intuitive and stable.

Let us know how it works for you!

I have around 3000 and still buy regularly. I could probably give away a third of them, which I might never listen to again, but I'll keep them. 

My son, who is 12, is looking forward to inheriting these after my demise. He doesn't know it but he has an analog future in store before my ultimate demise. I'll set him up nicely with a system. 

So, getting restarted in vinyl is a good thing, whether you have 10 or 10,000 albums. It is never too late or too early. Enjoy!