Right, so as a Tier 1 nation we get to fund the most expensive, least capable varient.
Depends on how you look at it. It has a combat range of over 450nm, is a true swing role multi role aircraft, can carry 15,000lbs of ordinance and has an AESA radar, passive sensor suite and is properly datalinked as networked asset, the potential thanks to that AESA to a lot of secret squirrel radar modes that we as a country just don't currently have, it is supersonic and can supercruise somewhat ,it performs loaded about as well as an F18 (the sustained figures are not so hot mind, but isn't that more about maintenance of the airframe and LO materials than the aircraft's instantaneous capability). It kicks Harrier so hard into the long grass it's not true. No it's not as good as F22 that's what Typhoon is for.
Nope it doesn't go quite as far and carry quite as much as the other two versions (which is a shame) but it has the exact same avionics fit which I think is far far more important given the proliferation of smart weaponery. Basically we've compromised on range and load a bit, to guarantee that we can get two aircraft carriers into service to have a 365 24/7 carrier capability. I'd rather that than have a part time carrier like the French.
Typhoon will have a base model version of CAPTOR-E by 2015 but we don't have any proper funding for all the modes and gucci bits as of yet (hopefully someone will sack up and sort that out) and it won't take off and land on an aircraft carrier.