Will do Alex, the red top was recommended to me by Raffa on here who uses the more hench yellow top version haha. Think it's only about £68 too so not too bad if it's powerful! The one I'm using is Halfords and it's been on the car since before I bought it (over three years) so not bad I guess but over the past year it has gone dead on maybe 5 occasions. Most of them were after leaving the car for a few weeks but lately it wouldn't start even after a day of not driving it but it seems to have remedied itself somewhat.