Well I had written more but my wifi dropped out when I went to upload so lost it all.
Basically ....
I wouldn't go with ukhost4u, my opinion of them has dropped due to the sheer amount of downtime I've had since January, more than I had in 2 years with my old host. Their response was basically tough its normal with shared packages and I shoud consider upgrading to a vps package - I've never needed it before so why should I now.
The 99.9% guarantee means squat with regard to your site as it's only to do with network uptime, I'm pretty sure I could manage that hosting my site on my adsl connection.
I'm stuck with them for another 2.5 years but will likely leave unless there is some improvements.
Luckily I didn't pay full price as I got 25% back via quidco (pita that was)