QuickPaste will do what you want, but you need to assign shortcuts to the frequently-used clips. Such as .cc to bring up all of your credit card clips. Then you'll find that you can have hudreds, or thousands of clips, ready for pasting. Please review the Shortcut tutorial:
http://www.thornsoft.com/LeeLou/60/shortcuts.viewlet/shortcuts_viewlet_swf.html
It shows ClipMate6, but it applies to v7 as well. I think it's just what you're looking for, without the hassle and compatibility problems of hotkeys.