I have not heard any negatives about them. There is a frequent poster here on the forums, 74s3, who uses them and apparently is quite happy with the service.
You may want to check again later on today. Perhaps they are having some technical issues at the moment?
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I am not certain if they are owned by AVP Solutions or not? I cannot remember. But I did read another message in another fourm about some things with them & could not recommend them to anyone in good conscience.
Also I checked the process54 site to find out but it was down just down so I could not confir that.