One of the best and best known companies.
Pays you $0.50/hour ($0.49/hour for october).
5 levels of referrals - 10% for direct referrals + 5% for next 4 levels.
You can request a check after you reach $30 You'll have 1 point per minute - at begginning of next month it's transfered to money.
It also can send you ad emails - 5 - 10 points per email.
60 points = 49 cents
It takes you $1 off for sending a check (for USA and Canada, $4.50 for international users).

Update of your statistics is real-time.
Spedia Bar support both Internet Explorer and Netscape Navigator for Windows.
To generate points, SpediaBar control must light green - you must actively surf.
You can also earn by receiving emails, playing games, registering to other programs and shopping.

I received check

$0.35 per hour up to 75 hours a month

You have no limit for referrals
1^st level - 10% (equals 3.5 - 4 cents / hour)
2^nd level - 7%
3^rd level - 5%
4^th level - 2%
5^th level - 2%
6^th level - 1%
7^th level - 1%

You can request a check after you reach $15.
You haven't got to surf, you may do what you want.
Sometimes you must click the banner (click rate must be between 0.5% and 5% at the end of the month).
You can earn by registering to their free offers.

Pays you $0.20 per hour and for 2 levels of referrals - 1^st level 10%, 2^nd level 20%.
Pays for time online - you haven't got to surf, you may do what you want.

Pays about $0.60 (CAD) per hour and the first level of referrals.

You'll have 50 points for registration, and for each minute of surfing 1 point.
Then you can play with their playing machine (1 point = 1 spin) and you can win more points, prizes (for example car), money (some my friens already won).
If some of your referrals win some prize, you'll get the same!!!

It pays you about $0.20 per hour
Pays for time online.
5 levels of referrals.
Check is sent after you reach 40$.
You can earn more money by clicking on the sponsors, serching MP3 or registring to the free offers.
Your stats are updated after 1 hour

Pays you $0.60 for 1000 viewed ads ($0.60 to $1.20 per hour) with maximum limit 15000 ads per month.
Payments for referrals are: $0.15 per 1000 viewed ads (1th level) and $0.05 for 2^nd-5^th level.

Wants to pay you up to $0.60 / hour
1^st level - 0.20$
2^nd level - 0.10$
3^rd to 5^th level - 0.05$
Unfortunately, now the payments are about $0.10.
Pays for time online (you can do with your computer what you want.
On the viewbar there is a small boy called FiestaBoy - he must go, if he is sleeping, you must move your cursor around him or click on the banner. If he runs on the banners, you must click him.
You earn money: and not: - move your cursor around him or click on the banner

Pays up to $0.75 per hour and 7 levels of referrals.

Pays you up to $0.75 per hour and for 7 levels of referrals. Monthly limit is 50 hours. It also pays you for reading emails, visiting their homepage, registering for free offers and shopping.

1^st level - 15 cents
2^nd level - 7 cents
3^rd level - 5 cents
4^th level - 3 cents
5^th level - 2 cents
6^th level - 1 cents
7^th level - 1 cents

Pays you $0.35 per hour and for 3 levels of referrals (10%, 5%, 5%). It also pays you for reading emails, registering for free offers.

Pays up to $1 per hour and $0.10 for referrals

Pays you about $0.15 per hour. Also pays for referrals. Advantage is that their surfbar is very small and can be overlapped by other surfbar.

Check is sent after reach $100
Paid surfing is not for all members yet (but it'll be).
$0.50 per hour (up to 50 hours/month)
1^st level: $0.10
2^nd level: $0.05

Paid emails:
3 cents per e-mail
1^st to 4^th level: 1 cent per e-mail
Emails are sent from Yesmail.com.
Update of stats is once a week.

They send you a check after you reach $20
$0.50 per hour up to 60 hour a month
1^st level $0.10 / hour
2^nd - 5^th level $0.05 / hour
Pays for time online

They'll pay you up to $0.70 / hour. You can use classic surfbar, or you can open small window of browser in which are shown ads, so you mustn't download anything. It is still in beta testing, so the don't pay you meanwhile.

New British company that want to pay up to 1£ (1 pound = $1.40) per hour.

This company hasn't got big payments ($0.12), but you don't have to download anything, you simply open small window of browser where are shown ads.
You can hide it, but each 15-20 minutes you must confirm it.

New company with completely different system. The program runs hidden in your system tray. When it starts blinking, it mean's, that aou can look at some ad - either as text message ($0.05 per message) or short Flash animation ($0.25 - $10 per ad).