Even though AAISP isn't necessarily the cheapest option, it quickly justifies the slightly higher price with far superior speed and service.
As it's a smaller ISP, you receive attention as an individual rather that just another number.
I haven't experienced any contention slowdown issues at all. I always get the full speed that my line supports (33 Mbits FTTC in my case).
You also get a great control panel with usage reports, sync speeds and quite a bit more...
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