I have been very happy with Xilo. Their tech support is top-hole, on the ball, knowledgeable and VERY helpful.
Maybe not the cheapest, but the value for money overall is 110%. I register my domains with Heart Internet too.
Stress - the condition brought about by having to resist the temptation to beat the living daylights out of someone who richly deserves it.
Edited by DrTeeth (Tue 31-Jan-12 00:34:06)