Membership has been permanently discounted.
It has the following advantages:
1) More money from the ad
2) More Active Packages (Adpacks)
3) More DR and RR referrals
4) Option to cashout more money and more often
5) Cheaper Services> Referral deletion and Others
And other benefits
Standart membership - FREE
Bronze membership - $5.50 monthly
Silver membership - $10.00 monthly or $110.00 year
Golden membership - $30.00 mothly or $340.00 year
Ultimate membership - $70.00 mothly or $800.00 year
Now you can add funds with Bitcoins and Litecoins (via CoinPayments).