Found these on weber.com by playing around with model numbers. They're not (yet) accessible via the product landing pages. The enamel grills will come in a variety of colors, as usual.
Have not found any 4-burner Genesis pics.
GENESIS E-325s
GENESIS S-325s
GENESIS EX-325s
GENESIS SX-325s
Genesis E-335
Genesis S-335
GENESIS EX-335
GENESIS SX-335
Have not found any 4-burner Genesis pics.
GENESIS E-325s
GENESIS S-325s
GENESIS EX-325s
GENESIS SX-325s
Genesis E-335
Genesis S-335
GENESIS EX-335
GENESIS SX-335