Hola José!I am glad you got what you wanted.Luckily for all of us (gunsmiths like me included), there are all sort of people. Variety is the spice of life. I am sure you were prepared to get all sorts of answers, as it shows in your responses.I am surprised by the quickness of the whole thing (36 hours), but then it shows what the "Web" is capable of doing. It also twists our senses in that we expect everything to be as quick as the Web. It's NOT. LOL!Anyway, with that dousing of reality, let me clarify a few things:Eric says that the lighter the sled slide threshold is set, the more accurate the 54 is, well, that is true, but only up to a point: Shooters that use very light holds require very light sled locking pressure. Shooters that use full grips require stronger lock-ups at the rear ball. It all depends how you shoot and the only way of determining this is to test when the gun arrives. In BOTH cases, absolute consistency in the trigger hand hold is essential to top grade precision and accuracy. To ME, the "thumb up" position works best.Personally, I set my hunting sleds to JUST release with the shot, but my target sleds I set to JUST lock when the gun points upwards. I hunt with my 0.20" cal D54 and shoot some Open FT with it, but I shoot a lot more my WFTF D54 (between 10 and 30,000 rounds per year).So this tells you that the gun WILL stand up to years of USE (not abuse), as any quality gun will.Pictures are good, still I cannot discern if the gun is a 0.22", but I will assume it is. Do try the mid-weight pellets. The 54 "engine" is like a small Chevy block, it WILL deliver the power, but it needs a medium body weight to work with for stability. 10.75 grains (GTO's) will work well with a slight detune (you do not want ANY pellet to go faster than 875 fps).13.9's are a light but useable pellet, 14.3's are better and in SOME guns perform very well, 16's are usually where the gilt-edged accuracy will be, 18's are seldom good performers and higher weights stress too much the engine. SO, try what you can get and also look at buying some specialty pellets from online stores: Predator Polymags are good hunting pellets and accurate out to 40m/44 yards.H&N Baracuda Hunter Extreme are also good hunting pellets and accurate at the 40 m/ 44 yards mark. The BHE WILL Penetrate hard skulls, like 'Possum's, when the impact speed exceeds 750 fps. IF you hit the Raccoons, or the Skunks in the head when shooting straight on, it is probable that the pellet "glances" of the curved part of the forehead, shoot a little low, just above the nose. Predators are better for lung/heart/medula shots.As for the Thrashers, if they are disturbing your backyard, it means that you have plenty of insects. Not trying to rain on your parade, but they are not, usually, garden noxious. On the contrary, they help keep your garden insect-healthy. For this, they do have to rustle up the food from the ground. If you take care of the excessive in-ground insect populations, the thrashers will stop bothering your plants. At least that is my experience.When you receive the gun, GIVE IT A GOOD BARREL CLEANING, and once that is done, chrono your gun. You do not need to obsess over MV's; they are just like a "hearbeat", they will tell you the general health of the patient.And when you test pellets, make sure to test lubed pellets also. Some shooters do not like to bother with lubing the pellets, but sometimes you find that a so-so pellet shoots REAL WELL when lubed.Lubing will also add to your overall enjoyment because in the long run, a barrel that is shot with lubed pellets needs less deep cleanings; and to be honest, we ALL like to shoot more than we like cleaning.Try Pledge, KryTech and T-9, all are "dry" lubes in the sense that you apply them as liquids, but they do dry out. You will not get "oily" fingers.;-)Congrats on your purchase, keep us posted, and Welcome to the DIANA family!HM