From Mr. Capurro's site:
1/35th SCALE; Fairmile D with and without torpedo scallops, Fairmile B, 72FT HDML, Higgins LCP(L), Higgins PT Boat, Huckins PT Boat, OSA Missile Boat, Ham Class Minesweeper, 55' WWII Thornycroft CMB, BPB 60' MTB, 40' LCS(M) MKIII, 48' LCS(L) MKI, LCA.
1/72 COASTAL FORCES, INSHORE TYPES, RIVER GUNBOATS;
RN Fairmile A/C, Fairmile B, Fairmile D, Fairmile H, BPB MGB/MTB/MASBs 71.5ft, 70ft, 63ft, 60ft, Vosper MTBs inc 60ft, 73ft, 70ft e.g. MTB 234, MTB 510, Thornycroft MTB, JS White MTB 253, 72ft RN HDML Motor Launch, BYMS minesweeper, Camper & Nicholson MGB/MTB series I and II, Denny SGB, Thornycroft 55ft CMB/MTB, 78ft Higgins MTB, 70ft and 77ft Elco MTB, Admiralty MFV 75ft & 90ft, Brave, Gay & Dark class FPBs, Scimitar class FTB, HAM class minesweeper, Ford Class SDB, Loyal Class RNXS fleet tender, 80ft Elco ML, Bold Pioneer, 1915 Insect class large China gunboat, 1932 HMS Robin river gunboat, Thornycroft 69ft HSTTL, RAN 80ft HDML and 80ft sea-ambulance.
The site says that 1:48 PTs are coming.
http://www.mtbhulls.co.uk/the-hulls