“ It has been our practice to award appointed counsel in both capital and noncapital cases the amount of compensation requested, up to the $2,500 cap of § 3006A (d) (2) . We note that this practice has served both the Court and the parties well. Under existing practice, the level of representation by appointed counsel in capital cases has almost invariably been of high quality and the administrative ease by which requests for fees are disposed of under the bright-line rule of § 3006A (d) (2) assists in conserving the limited resources of the institution. ”

“ Such an inquiry is time consuming, its result necessarily imprecise, and it would lead us into an area in which we have little experience. It would not be a wise expenditure of this Court's limited time and resources to deal with fee applications such as those of petitioner on an individualized basis. ”