I have a pair of Benjamin Marauders....pistol and rifle, both in .22 and they've held up really well. Over the last 5 years they both hold air for months on end with little to no leakage and will sit with a fully loaded magazine (nothing in chamber) ready for the moment when the rogue groundhog shows itself in the back yard, and neither has ever failed to do the job.
The Maximus you mentioned is likely built of similar quality materials...which means it 'should' work fine and shoot well for a long, long time. Benjamin has had their teething problems when they first got into the PCP game...but that was long ago and mostly in the past. The Maximus is basically a synthetic stocked Disco and many people really like them.
Couple things to be aware of: the Disco/Maximus charge only to 2000 psi...vs 3000 for the Marauders. This hurts the potential maximum power available along with the shot count from a fill. The Marauders have adjustable transfer ports where you can fine tune the air discharge to control the power...along with being able to adjust the hammer stroke and spring tension which also affects the power output. If you get things set right, the gun will shoot a 'string' of shots within single digit fps despite the pressure dropping with every shot. The valve is balanced by the tank pressure on the back side, and at first a heavy hammer strike barely can bounce it open...and only for an instant. As the pressure drops, that same hammer strike begins being able to hold the valve open longer and longer...which admits more air to the barrel. So it's kind of self-regulating and very handy for good accuracy over a long shooting string.
Of course, the more powerful you have it turned up...the less shots per fill you get. No free lunch and all that.
If a single shot will work for you, the Maximus is a good entry level gun well worth the cost. If you'd enjoy a magazine gun...the Marauders are worth a look...more expensive for sure, but also more powerful and if you're shooting critters it's great to have a follow-up shot available as fast as you can work the bolt without fumbling with hand loading another pill.
The triggers are all adjustable and can be made VERY nice and easy to shoot. The 3000 psi guns can deliver the heavy .22's (25 grains) up to the high 800's in the rifle for about 34 ft/lbs of energy. The pistol isn't as powerful but not far behind if you open the transfer port up to about .118" and I've taken a bunch of ground hogs with mine with the handy carbine stock (included with the gun) installed. It's easier to sneak around with the shorter/lighter carbine than the full length rifle when the hogs are skittish.
Good luck with your PCP quest.