If technical capability, speed and reliability are important then take a
look at http://aql.com/

Lots of APIs for sending SMS as well: http://aql.com/site/developerinfo.php

You can send flash and replaceable SMS with this gateway:
http://www.aql.com/site/sms_http_gateway.php

Regards
S

Iain wrote:
> Well, at one time texts were free with voipstunt.com as long as you had
> free days, but for a very long time I've had to pay for each, because
> the apparently secret limit of how many free ones you can send has been
> excluded.
>
> But at least it was cheap. On 4th March, each text cost 0.01 euro to send
>
> Then from 5th March the price doubled to 0.02 euro.
>
> One the 27th March it went up to 0.03 euro.
>
> So it is three times the price in just over three weeks. At this rate,
> by Xmas it'll be cheaper to hire a limo to deliver a note in person!
>
> And although it lets you send texts longer than 160 characters and
> charges you for each component sms, often just the last one seems to
> arrive.
>
> Think it's maybe time to look for another supplier.