If they are the ones I think (150w handling, wall mountable on their stand, curevd enclosure) from about 1995 or so.....
Not too bad.
Originally £200 a pair, should pay say £50 now.
A pair of KEF 60s beat them for clarity but the MP1s had a better bass response.
HCC reviewed them in issue 3 I think. If memory serves they did quite well in that write up.
I'd not turn my nose up at them. You should find they'll do the job in a sub/sat set up nicely.