You seem to have already discovered Lisa Kleypas and Amanda Quick and as a guy myself, I would suggest the following Regency/Medieval/Eur Historical titles:
Lord of Scoundrels by Loretta Chase
Mr. Impossible by Loretta Chase
Perils of Pleasure by Julie Ann Long
If His Kiss is Wicked by Jo Goodman
The Raven Prince by Elizabeth Hoyt
The Vicar's Daughter by Deborah Simmons
Mrs. Drew Plays Her Hand by Carla Kelly
The Truth About Lord Stoneville by Sabrina Jeffries
The Bride or
The Secret both by Julie Garwood
If you like SF, you should try
Games of Command by Linnea Sinclair
If you like Steampunk, you should try
The Iron Duke by Meljean Brook
If you like Contemporary, you should consider:
See Jane Score by Rachel Gibson
True Confessions by Rachel Gibson
Something About You by Julie James
Kiss an Angel by Susan Elizabeth Phillips
It Had To Be You by Susan Elizabeth Phillips
To Catch a Cheat by Kelly St. John
If you are looking for excellent erotic romance, I would start with
La Bonne by Michele de Lully.