G315 $3500 G308 $1200
Red Lion has the C Series driver (Host Link 9600 7,E,2) or FINS eithernet driver, both are great. The G3 is an outstanding HMI you will get many big system features: Web sever, passs through, cell modem, data logging...
You can use any of the Omron CIF cards 232 or 485 or eithernet