Hey guys!
I've been working for QVIS for a while, not trying to plug for ourselves, but I've not had any complaints from any customers about our DVR's (especially in breaking, zero RMA's).
Dahua in the uk is under the qvis name. and for the basic dahua with 500gb and internet viewing and 4 cameras is in your budget.
Take a look at Adata, they're the UK division.
Two very simple things you may want to swap out:
1. Don't use the new version of IE (explorer 9)
2. Use the normal IE link in start (not the 64 bit version, it never worked for me that way)
Also you can open up settings -> internet options -> security tab -> lower everything and see if that works.
a company called Qvis. they have the latest Dahua
If you've not filled your needs yet, feel free to give us a call or PM me here and I'm sure we can help you out.