Check out Masi, Orbea (spanish), Guru, Colnago for road bikes. Not sure about italian mtb companies but if you want an expensive mtb try Scott bikes for dh/fr.
A world of Difference: Racing/Trails >motocross bikes are designed for speed, so have solid power,suspension,and have no extras that would incorporate weight. >trail bikes or "enduros" are built for tackling technical trails and have a smoother ride....
Try advrider.com. Though they skew heavily toward the big trailies, (BMW GS, Kawasaki KLR, etc), there are some smaller bikes represented there, too.