Compatible
Spare parts
Affordable
Upgrade
Tried and tested
Ahead of its time
Behind the times
Innovative
Experimental
Something that is able to exist or occur together without problems or conflict.
A duplicate part to replace a lost or damaged part of a machine.
Something inexpensive; reasonably priced.
Late, old.
Something that was proven in the past to be effective or reliable
Something based on untested ideas or techniques and not yet established or finalized.
To improve the quality or usefulness of something
Something featuring new methods; advanced and original.
Something considered too advanced or modern to be understood or appreciated during the time