NeoBux

Type of service: PTC
Pay/Action: $0.01
Minimum payout amount: $2 - $10 (increasing from the first payout by $1)
Payments made via: PayPal, AlertPay
Payment processing: INSTANTLY
Premium membership price: $90
Referral packages: Yes
Members: more than 1 million (At the time the article was written.)
Paid me: Yes
Website link: neobux.com

Butterfly Mails

Type of service: PTC, PTS, PTR
Pay/Action: $0.001 - $0.01
Minimum payout amount: No Minimum Payout Value
Payments made via: PayPal
Payment processing: Once per week
Premium membership price: $28 - $56
Referral packages: Yes
Members: 7400 (At the time the article was written.)
Paid me: Yes
Website link: butterflymails.com



UPDATE: As of September 2nd 2010 the site has been closed.

Redneck PTC

Type of service: PTC, PTS, PTR
Pay/Action: $0.0001 - $0.01
Sign up bonus: $0.03
Minimum payout amount: $1 (PayPal), $1.01 (AlertPay)
Payments made via: AlertPay, PayPal
Payment processing: 30 days
Premium membership price: $15 - $60
Referral packages: Yes
Members: 7400 (At the time the article was written.)
Paid me: Yes
Website link: redneckptc.com

UPDATE: As of October 1st 2008 the site becomes ads only and no longer offers payouts.

GetRef

Type of service: Referral builder, PTS
Credits/Action: 0.0008 - no limit
Minimum credit value to earn with sign ups: 1 credit
Minimum credit value to invest in program: 2 credits
Got me refferals: Yes
Possibility to get paid for earned credits: Yes
Payments made via: PayPal
Payment processing: 1 day
Premium membership price: $7 - $75
Referral packages: Yes
Website link: GetRef.com

Nocturnal Email

Type of service: PTC, PTS, PTR
Pay/Action: $0.0001 - $0.01
Sign up bonus: $0.03
Minimum payout amount: $5 (PayPal), $5 (AlertPay)
Payments made via: AlertPay, PayPal
Payment processing: 30 days
Premium membership price: $20 - $75
Referral packages: Yes
Members: 11200 (At the time the article was written.)
Paid me: Yes
Website link: nocturnalemail.biz

UPDATE: As of October 1st 2008 the site becomes ads only and no longer offers payouts.

Clicks-R-US

Type of service: PTC, PTS
Pay/Action: $0.001 - $0.005
Minimum payout amount: $0.05
Payments made via: PayPal
Payment processing: Once per week
Referral packages: Yes
Members: 1600 (At the time the article was written.)
Paid me: Yes
Website link: clicksr.us



UPDATE: The site no longer exists. Sorry.