I agree about needing a collateral for PoN. HOWEVER, 5 or 10k is NOT a smallish amount at 10K you will limit the number of PoN in the entire system to less then 250!!!
"moneysupply" : 2476086.41995300
I confess that I didn't do that math specifically, was only going by the ATH exchange values from the last couple of weeks, and working out a reasonable "cost" in fiat terms. Plenty of nodes is definitely the desired goal, so perhaps within the lower boundary, around 5K?
At current mining rates (and mining will continue for a good while), there are enough new coins generated per day for such a node.
In other words, if mining returns remain relatively stable, and assuming a collateral of 5K coins, we'd be talking about a theoretical maximum number of about 500 PoN nodes today, with the potential for a new one to be added with each passing day.
More reasonable?
Also, let's remember that not all nodes need to be mining PoN. Regular (traditional) clients running a PoS node are also participating in the backbone of the network. Actually, we should also first clarify if PoN would prevent (or strongly discourage) pool mining for PoN blocks. With pools, we're back at the starting point, with new & fancy terminology, but in practice, the mining process would remain largely centralized.
I guess this is where we need to wait for the whitepaper
Yes on the whitepaper...
We still dont know what the benefits of running for PoN. Having unique IP for each can be some work... How is it different then just regular staking, doesn't that mean your running a node?
is having the PoN subnet preparation for a mixing service? if so, there should be a cost to run one. Can we have PoW against a staked wallet? SPoW.... so many questions...
on the fork issue, anyone reading this that is not on the same fork as
http://explorer.cach.co/ should shut down, reindex with addnodes pointed to nodes on the proper fork.. possibly revert back to the older client.
my info:

{
"version" : "v5.4.0.0-g32a928e-cach-wm-alpha",
"protocolversion" : 90001,
"walletversion" : 60000,
"balance" : xx.51758500,
"newmint" : xx.09000000,
"stake" : xx.16883300,
"blocks" : 86465,
"moneysupply" : 2483666.74463100,
"connections" : 5,
"proxy" : "",
"ip" : "xx",
"difficulty" : 0.00587187,
"testnet" : false,
"keypoololdest" : 1428895696,
"keypoolsize" : 101,
"paytxfee" : 0.00000000,
"errors" : ""
}
my getpeerinfo:
14:32:56

getpeerinfo
14:32:58

[
{
"addr" : "5.9.39.9:2225",
"services" : "00000001",
"lastsend" : 1432924245,
"lastrecv" : 1432924245,
"conntime" : 1432847556,
"version" : 90001,
"subver" : "/CACHecoin-WM:0.7.2/",
"inbound" : false,
"releasetime" : 0,
"startingheight" : 86294,
"banscore" : 0
},
{
"addr" : "46.42.46.35:2225",
"services" : "00000001",
"lastsend" : 1432924247,
"lastrecv" : 1432924245,
"conntime" : 1432848286,
"version" : 90000,
"subver" : "/CACHecoin-WM:0.7.2/",
"inbound" : false,
"releasetime" : 0,
"startingheight" : 86295,
"banscore" : 0
},
{
"addr" : "82.6.255.43:2225",
"services" : "00000001",
"lastsend" : 1432924259,
"lastrecv" : 1432924272,
"conntime" : 1432848449,
"version" : 90000,
"subver" : "/CACHecoin-WM:0.7.2/",
"inbound" : false,
"releasetime" : 0,
"startingheight" : 86296,
"banscore" : 0
},
{
"addr" : "37.205.9.209:2225",
"services" : "00000001",
"lastsend" : 1432924245,
"lastrecv" : 1432924245,
"conntime" : 1432874880,
"version" : 90000,
"subver" : "/CACHecoin-WM:0.7.2/",
"inbound" : false,
"releasetime" : 0,
"startingheight" : 86330,
"banscore" : 0
},
{
"addr" : "78.46.66.139:2225",
"services" : "00000000",
"lastsend" : 1432920136,
"lastrecv" : 1432923167,
"conntime" : 1432920136,
"version" : 0,
"subver" : "",
"inbound" : false,
"releasetime" : 0,
"startingheight" : -1,
"banscore" : 13
}
]