Short term - because of Nubits
Long term - because its the father of POS, it's the oldest POS chain, it has sensible developers who are playing the long game, not just trying to be the next gimmick pump as all the scamcoins out there are.
Next to Bitcoin it is by far my favourite coin and has been for a long while already.. I don't think it gets the attention it deserves.
How is it better than NXTcoin? they are both Pos, fairly distributed ICO, yet NXT has a decentralized asset exchange that is turning a major part of the asset exchange volume compared to competitors.
https://coinmarketcap.com/assets/It has tools that are enabling tech like Nxtty chat, a mobile app that allows P2p encrypted chat and encrypted voice calls, plus nxttycoin wallet. Nxttycoin being an asset ontop of nxt.
And to top it off, it has a very similar service as namecoin called an alias system. Which as far as my non developer understanding, it at least just as good.
Even if they've solved the problem of volatility, which is yet to be seen, NXT is till better tech wise. And hey, awesome development, thank you Peercoin devs. But aside from that.
Why are peercoin users not using NXT instead?
NXT seems to be a swiss army knife that is designed to do everything, but along with that nothing really well, plus theirs a bit of a distribution stigma.
PeerCoin is designed as a long term, backbone currency, by code and boundary conditions, as well as running requirements.
This is just my view though.
Also Peercoin is the longest runing POS, and first POS. The whole alt coin scene including NXT basically has gone to POS.
The DEV sunnky king is regular, every weeks and update, and a plan, plus he released XPM, now they have sigmike as DEV and have peerunity/peershares, PeerFor Commit and now NuBits, so a dif client as I understand it. Soon cold locked minting is coming out.
NXT dev just disappeared and cut short the IPO.
SunnyKing is playing the really really long game, to the extent that most crypto people don't understand peercoin at all. Most crypto people including BTC's ers dream of Amazon, Ebay etc. They don't get that these are small companies with little money/cash/etc and likely push price down at least in the short term. Retail is crap and exactly were the money is not. Peercoin is aimed squarely at the Banking system, where the money is.
The extent to how crypto's dont get this is that there is no competitor to PeerCoin still, whereas every other crypto has multiple competitors.
I do really like NXT though