[Adam]

As I've said about a zillion times before, you can't shoot any better than you can aim. How well you can aim is influenced by a number of things besides the basic ability of an individual to aim accurately at what they are looking at. To my mind the issues are:

Mass weight: are you able to handle it well? This will depend on age, strength, stamina, physiology. If it's too high, it'll take longer to get the bow to settle into a stable aim. Also, once it's moving (say, in the wind) it'll take longer to settle again, sapping strength and testing the stamina of the muscles involved in aiming. Too light, and it'll move under the slightest provocation. That said, I personnaly think light is better than heavy as gives the archer more control over what's happening.

Stabilisation: are you using a set-up that help you get the bow to settle upright and with the sight on the gold? This links closely with weight issues too.

Tiller. Despite what some people think, I firmly believe this has a significant influence on your ability to put the sight where you want it. Besides, it's very easy to adjust and experiment with tiller, so why not try it?

Cam type: have you got a wall that you're happy with? Can you pull into it without dragging the sight off the centre? Is the bow trying to drag you down the range, or are you genuinely in control of it?

Draw length: too long and you won't be able to hold a steady aim, too short and you'll get left/right misses as you (subconsciously) swap the holding pressure between your bow hand and your draw hand.

The simplest way to get a solid aim is to find a bow that works with your physiology and form and, in your hands, naturally settles where you want it. I have always found that the UltrTec work well for me, especially with spiral cams, but the UltraElite seems to work better (early days yet, though) as it has a more natural and neutral balance - it wants to sit upright in my hand.

Adam