Update Theano's general description @lamblin .

EMAIL.txt

@@ -66,8 +66,7 @@ features:
 
  * tight integration with NumPy: a similar interface to NumPy's.
    numpy.ndarrays are also used internally in Theano-compiled functions.
- * transparent use of a GPU: perform data-intensive computations up to
-   140x faster than on a CPU (support for float32 only).
+ * transparent use of a GPU: perform data-intensive computations much faster than on a CPU.
  * efficient symbolic differentiation: Theano can compute derivatives
    for functions of one or many inputs.
  * speed and stability optimizations: avoid nasty bugs when computing

doc/index.txt

@@ -7,7 +7,7 @@ evaluate mathematical expressions involving multi-dimensional
 arrays efficiently. Theano features:
 
 * **tight integration with NumPy** -- Use `numpy.ndarray` in Theano-compiled functions.
-* **transparent use of a GPU** -- Perform data-intensive calculations up to 140x faster than with CPU.(float32 only)
+* **transparent use of a GPU** -- Perform data-intensive computations much faster than on a CPU.
 * **efficient symbolic differentiation** -- Theano does your derivatives for functions with one or many inputs.
 * **speed and stability optimizations** -- Get the right answer for ``log(1+x)`` even when ``x`` is really tiny.
 * **dynamic C code generation** -- Evaluate expressions faster.