this is my collection so far... :)
2X2X2
V-Cube 2
A mass produced 2x2x2 by Verdes. Sold in traditional and pillowed shape and with back and white body.
3X3X3
25th anniversary cube
Puzzle made for the 25th anniversary of the cube.
Good for speedcubing after lubricating.
4X4X4
Rubik's Studio 4x4x4
The new retooled version of Rubik's Revenge produced in Hungary by Rubik's Studio.
5X5X5
CUBE (SHAPE CHANGING)
Bump Cube
The Bump Cube is a simple 3x3x3 Rubik's cube, but with an interesting twist. It spawned a whole series of puzzles and created a verb of its own.
CUBOID
Crazy 2x3x3
A 3x3x4 with two layers removed but not hidden.
DODECAHEDRON
Megaminx (1999)
This is a newer version of the Megaminx, published by Meffert, with tiles and 12 distinct colours.
FOUR