Our daughter sent me this link to this US website dedicated to grilled cheese sandwiches (http://grilledcheeseacademy.com/).
More on grilled cheese (http://forums.egullet.org/index.php?app=core&module=search&do=search&fromMainBar=1&forceTitleOnly=1), from a site I was pretty active on years ago....
Edit: Yikes....sorry, guess it jumps to the search page. OK:
http://forums.egullet.org/index.php?/topic/135200-grilled-cheese-v-toasted-cheese/page__p__1764907__hl__grilled+cheese__fromsearch__1#entry1764907 (http://grilled-cheese-v-toasted-cheese)
http://forums.egullet.org/index.php?/topic/31271-grilled-cheese/page__p__431633__hl__grilled+cheese__fromsearch__1#entry431633 (http://forums.egullet.org/index.php?/topic/31271-grilled-cheese/page__p__431633__hl__grilled+cheese__fromsearch__1#entry431633)
http://forums.egullet.org/index.php?/topic/65125-grilled-cheese-and/page__p__890253__hl__grilled+cheese__fromsearch__1#entry890253 (http://forums.egullet.org/index.php?/topic/65125-grilled-cheese-and/page__p__890253__hl__grilled+cheese__fromsearch__1#entry890253)
http://forums.egullet.org/index.php?/topic/36609-grilled-cheese/page__p__509402__hl__grilled+cheese__fromsearch__1#entry509402 (http://forums.egullet.org/index.php?/topic/36609-grilled-cheese/page__p__509402__hl__grilled+cheese__fromsearch__1#entry509402)
http://forums.egullet.org/index.php?/topic/46798-cheese-on-the-bbq-grill/page__p__655776__hl__grilled+cheese__fromsearch__1#entry655776 (http://forums.egullet.org/index.php?/topic/46798-cheese-on-the-bbq-grill/page__p__655776__hl__grilled+cheese__fromsearch__1#entry655776)
http://forums.egullet.org/index.php?/topic/29284-grilled-cheese-night-at-campanile/page__p__402440__hl__grilled+cheese__fromsearch__1#entry402440 (http://forums.egullet.org/index.php?/topic/29284-grilled-cheese-night-at-campanile/page__p__402440__hl__grilled+cheese__fromsearch__1#entry402440)
http://forums.egullet.org/index.php?/topic/16645-love-affair-with-grilled-cheese/page__p__211133__hl__grilled+cheese__fromsearch__1#entry211133 (http://forums.egullet.org/index.php?/topic/16645-love-affair-with-grilled-cheese/page__p__211133__hl__grilled+cheese__fromsearch__1#entry211133)