I'd not get either of them. If you want cheap then get a JSR, they're not actually as bad as their cheap price tag suggests.
On an HMR, you don't need to go mad, but you do want half-decent optics, and good adjustments.
I would go with either Bushnell Elite 3200 (have one and it's very good, for the money. Adjustments work properly and the optics are clear and relatively bright) or a Nikon Buckmaster (Fieldmaster). Both ranges are the cheap side of good.
I'd go with 4-12x40 or 50, as I find 3-9 a little bit light for 150-yard rabbits. Bushnell will be about £250 for that, and the