JSF & F22 aren't they only potential capabilities and when are they actually going to deliver something?

JSF and F22 are just as likely to suffer the technology issues that Typhoon is suffering. Only difference is that Uncle Sam will throw more bucks at it to resolve the problems more quickly than UK/Nations do.

Block FL550 -FL600
 

I used to work at these heights in the mid-60s based in Cyprus; I wasn't flying anything that had taken 15 years not to get into worthwhile service either.