  The unitarity triangle can be determined by means of two measurements of its
sides or angles. Assuming the same relative errors on the angles
$(\alpha,\beta,\gamma)$ and the sides $(R_b,R_t)$, we find that the pairs
$(\gamma,\beta)$ and $(\gamma,R_b)$ are most efficient in determining
$(\bar\varrho,\bar\eta)$ that describe the apex of the unitarity triangle. They
are followed by $(\alpha,\beta)$, $(\alpha,R_b)$, $(R_t,\beta)$, $(R_t,R_b)$
and $(R_b,\beta)$. As the set $\vus$, $\vcb$, $R_t$ and $\beta$ appears to be
the best candidate for the fundamental set of flavour violating parameters in
the coming years, we show various constraints on the CKM matrix in the
$(R_t,\beta)$ plane. Using the best available input we determine the universal
unitarity triangle for models with minimal flavour violation (MFV) and compare
it with the one in the Standard Model. We present allowed ranges for $\sin
2\beta$, $\sin 2\alpha$, $\gamma$, $R_b$, $R_t$ and $\Delta M_s$ within the
Standard Model and MFV models. We also update the allowed range for the
function $F_{tt}$ that parametrizes various MFV-models.
