yes it is.

If you imagine LTC for example. People were mining with hashpower ranging 100-250mhs , and then came the L3+ with 504...

Which is double but still in good range..

With Dash, people's standards was to mine with 150-900mh/s .... And suddenly 15,000mhs machines come out. All those Genesis people that paid mhs as gold with Genesis, will be making maybe 5$/month with their 400mhs... It's sad... But that's life.

I also personally do not think it is worth for anyone to purchase anything from a 3rd batch that might be for October. You will need 3 machines to make what 1 made in Sept. Thats my opinion of course but it makes sense...