In reply to Peach276:
Many of the best routes and experiences in West Penwith are away from the honeypots and those honeypots will be very busy over the summer holidays.
All those routes suggested already are great, but if you do want to get off of the beaten track some good routes in your range would be:
Martel Slab, VS, Tater Du (not granite, quite hard, very good route and place)
Lucretia and Luke Lively, VSs, Boscawen Point (big walk in, but worth it)
Iron Bells, HS, Porthguarnon East (tidal, quiet)
St Loy. Any of the HS and VS pitches. Non tidal, still fairly quiet, right next to the sunniest place in the UK - allegedly)
Axis, VS, and Supercrack, VS, Carn Barra (good walk in keeps it quiet, quite possibly best granite crag in Penwith but best at low to mid E grades. Non tidal, but many routes, although not Supercrack, require abseils)
Zawn Face Route, HVS, Land's End (ridiculous but good fun. Pretty much guaranteed to have it to yourself, except for the hundreds of tourists on the cliff top)
Waltzing Matilda, HVS/E1, Bosigran Ridge Area. Amazing and very well protected traverse of the lower walls of Bosigran Ridge. HVS in supplement, but due an upgrade.
Variety Show, HVS, The Great Zawn. TGZ at a reasonable price. 1st pitch is brilliant, 2nd pitch not so good.
If you do want to get away from the busier spots, then buy the CC guide rather than the Rockfax. Rockfax is a good guide all the same.
Cheers,
Tom