Seedroots, pulsedmedia, feralhosting and bytesized-hosting are the best services I've used. From all of them only pulsedmedia has unlimited traffic, but the other services compensate with speeds and HDD size.
If you want more then 15 MB up & speeds bytesized and pulsedmedia are the winners. Of course feralhosting and seedroots can offer bigger speeds too, but I only told you what are the best choices between 15 and 20€.
From bytesized I recommend the lunch box, pulsedmedia has great shared 100Mb superfast seeboxes with a lot of hdd space, from seedroots you can easily get a semi-dedicated server with 500GB hdd and argon from feralhosting.
Regarding live support, all these services offer a very quick answer and solving to the open tickets, all of them are setting up the seedbox with the latest plugins and autodl-irssi.
Happy seeding.
P.S. I will not recommend cutorrent seedboxes not in a million years to anyone.
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