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Update: SteelSeries has let us know that there is in fact a macro editor squirrelled away in the Xai control panel. This review has been updated as a result.
At first glance, the unassuming SteelSeries Xai looks like it might come from the same stock as Microsoft's IntelliMouse Optical. The simple matte black and ambidextrous design adds to this — but how wrong first impressions can be. The first hint is the braided, high-quality cable. The second comes when you flip over the Xai and are greeted with an LCD screen proudly showing the SteelSeries logo, giving you the distinct impression that this rodent is a wolf in sheep's clothing.
Being truly ambidextrous, the Xai offers thumb buttons on both sides, on top of the requisite scroll wheel, as well as left and right buttons. There's also a button under the scroll wheel, and a white LED above this. Press the button and the LED turns on, switching between two pre-programmed Counts Per Inch (CPI) settings.
We say CPI, as SteelSeries has distanced itself from the DPI terminology found in most mice, arguing that the concept of dots per inch comes from the printing world and makes no sense as far as a mouse is concerned. In the end it's the same thing, it's just that other brands have been using the wrong terminology.
SteelSeries' control panel puts Razer's to shame. Instead of relying on glitz and glam, it emphasises engineering and precision, with an almost scary level of tweaking. It's a little overwhelming at first — even those who feel comfortable with gaming mice will need to spend a bit of time familiarising themselves with SteelSeries' names for all the features in the control panel. Thankfully, there's pop-out help included in the control panel, which rather than screaming buzzwords at you is genuinely helpful.
The settings in the control panel are genuinely helpful. (Screenshot by Craig Simms/CNET Australia)
Apart from setting two separate CPI levels to be switched on the fly, SteelSeries also offers something called ExactRate. This is simply the polling rate of the mouse, although SteelSeries recommends you sync this as a factor of the refresh rate of your screen — a handy tip rather than the usual "higher is better" you get from other companies. This, however, doesn't stop SteelSeries offering a ridiculously high maximum CPI of 5001.
Then there's ExactAim — something that gives you control over how much jitter correction is applied to the raw data read from the mouse. If you've got an unreliable surface or not so accurate hands, ramping up ExactAim can help make your movement smoother. If you prefer your movements on the mouse to be recreated on the screen perfectly, turn ExactAim down.
There's also FreeMove. Slightly related to ExactAim, by default mice attempt to "help" by snapping the cursor to a straighter path or angle when it detects the user is trying to draw a straight line. This is great for office work, but not necessarily helpful for gamers or illustrators. Once again SteelSeries' control panel lets you overcome this, so if your hand really is amazingly precise you can tell the PC to follow it exactly.
Finally there's ExactAccel, which enables hardware-based cursor acceleration rather than relying on Windows. This essentially allows you to be able to get the cursor from one end of the screen to the other by moving the mouse quickly, but still allow you to work precisely in small areas. It works well too, and because it's hardware based your favourite settings will follow you wherever the mouse goes.
Which brings us to profiles — unlike other mice, the Xai stores all its settings in the hardware, allowing up to five re-nameable profiles to be saved on the mouse. This can be a little frustrating when you just want to apply your settings and see the effect, rather than having to wait for it to save to the mouse every time, but once it's set-up you can then take the mouse anywhere, comfortable in the knowledge that even without drivers your mouse will perform as expected.
While some vendors will let you reassign everything but the left-click button, SteelSeries gives you everything, offering a fully customisable mouse. It even gives a check box where you can set if you're left or right handed, subtly changing how the mouse reads input.
Whatever you want to assign, SteelSeries lets you do it. (Screenshot by Craig Simms/CNET Australia)