You can get the alpha 1 of PedroM 0.82 here : t3/?id=2&d=archives/OS/Alpha/
More info about PedroM 0.82 alpha 1 here: t3/
The main new is that it may integrates GMP, MPFR and MAYLIB.
Please report any problems or issues or remarks about it here.
Remember it is an alpha release, ie not to test on-calc, and many features are still missing.