Mozzarella
Swiss
Monterey Jack (so awesome)
Provalone
Romano
Parmesan
Asagio
Jarlsberg (like a Super Swiss)
Smoked Gouda (great, good sandwich, stubborn melt)
Gruyere Cave Aged
Edam Ball Holland
Havarti
Mild Cheddar
Montasio (Good, Swiss-ish)
Whole Milk Mozzarella
Muenster (Fantastic! Good messy)
Brie (good with mold removed)
Fontina (decent all around, messyish)
Farmer's Cheese
Switzerland Emmenthaler (destroy all dark outer parts!)
Parrano (solid, not fast melting)
Mahon
(Greek) Kasseri (stubborn, nicely strong taste)
White Colby (quite nice, good melt, odd curly grip)
Swedish Vasterbotten (also nice, quick melter, fairly oily)
Trappe Bricquebec (very soft, fast melt, quite bubbly)
Raclette (quite awesome, quick melter, general all-star)
5 Counties (Derby, Red Leicester, Cheshire, Double Gloucester, Cheddar) Each just good/basic
Murcia al Vino (Soft, white, fragrant, good melt---quite nice!)
Manoyri (Super crumbly, nice taste, doesn't seem to melt Brie-style)
Appenzeller (good melt, kind oily, generally nice)
Manchego (only so-so melt, kinda oily, strange/memorable'ish sweet taste)
Blarney Castle Irish (Spongy, good melt, little oil, all around rather nice)
Bel Paese Plain (Ultra soft, quick melt, one of the finest thus far)
Piave Mezzano (Melts well and is overall nice)
Iberico (Fantastic, strong smell, sweetish)
Dubliner (Slightly sweet, all-around nice)
Smoked Butterkase (Good all around, mild taste, melts well, strong smell prior to melt)
Bergenost (Melts well, tastes good, a bit on the sweet side)
Canaria (Rather oild, good at everything else, no special taste tricks)
Belle Blanche (Yet another good all-around with nothing distinct)
Fontinella (Yet another good one, not oily, good times.)
Etorki (Yet another good one, not oily, good times.)
Fol Epi (Extra good somehow versus most recent, chewy melter)
Saint Paulin (pw?) (Brie-like, rather good, very good grip)
Port Salut (very similar to above, but closer to Brie on the sticky front)
Reggianito (stubborn melter, nice taste, not really distinguishing)
Sargento Artisan Blends: Mexican (Queso Quesadilla, Asadero, Queso Gallego, Manchego, Anejo Enchilado) (just damn good)
Colby Jack (good melt, good taste, etc)
Baby Swiss (Meh, just kinda there in a ok way.)
Sharp Cheddar (Meh, but in a good way.)
Aged Swiss (Meh, but in a good way.)
Gouda ( Excellent as in keeping with it)
Gorgonzola (Very damn weird taste, semi-stubborn melter)
Cabot Seriously Sharp Aged Cheddar (One of the very rather awesome ones in all aspects)
Organic Valley Raw Sharp Cheddar (As excellent as the above Cabot, melts really fast!)
Butterkase (Top quality same as the smoked, really great melt/grip)
Queso Fresco (Awesome, quick semi-melter, soft)
Gruyere (Yep, just good with no surprises)
Queso Chihuahua (Nice stuff, good melt/quick to brown, not a great gripper)