John I USED to be a member of Justtheanswer.
When you first join the panel it does seem that you get your first reward quickly, then, it all slows down. This has happened not only to me, but to many other survey enthusiasts who I know.
The other problem with this company is that you often do not get the points for completed surveys, even if you keep good records and give them a survey number, they do not always give you the points.
After 28 months and 2 x £5 amazon vouchers I called it a day. Its not even worth have running in the background as the surveys and rewards are so far and few.

Thanks George.I have 150 points which is a bit annoying.Maybe I'll keep them in the background and if I ever get to 500, then cash out and get outYou sure do find out the good uns from the not so good uns!

Hmm I just had a look .I have been a member of this one since May last year , have had 1 payout and am currently on 410 points .The surveys aren't very regular though , and as George says sometimes you complete and don't get credited .Not one of the better companies !

Here are my stats ......joined 26/1/08 and completed all profiles. completed Somerfield survey on 19/2/08 and did not get credited so emailed them and received answer same day to say points would be credited this week, and they were and I was able to redeem for my first Amazon on 05/03/08
which I received 14/3/08. Reached 500 again and
redeemed 01/12/09 and
received voucher same day.
Then again 5/11/10 and
received voucher 3/12/10 then
15/7/11 and
received 9/8/11 - yes, they are getting slower, but steady and I find the surveys quite interesting to do so I am happy to keep them running in the background. In May this year I also did a test for a body moisturiser (and they have never done product tests before as far as I am aware, well, not that I was invited to anyway) and received a full sized bottle of the product which was really nice and I was well paid for both the initial screener, test, and follow-up screener. I think they simply do not get too much work so cannot give too much out. I find the site easy to load and navigate and the prize draw has some good prizes, but as yet I have won nothing. I would not yet write them off, as they are fairly good, if not one of the best, yet.