I have used Surpass Hosting for ages. Excellent pricing and customer service with very quick updates on problems, only had 2/3 glitches with downtime in the past 3+ years, all resolved within hours.

Reseller Hosting, Shared Hosting, Dedicated Hosting by Surpass Hosting
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I host the following with them:

makemassair.co.uk / a multi discipline freelance creative
DARKFLOOR // MANTIS RADIO // PODCAST // MIXES

and a client's site:
http://www.sampleremix.co.uk